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Showing posts with label Tesla. Show all posts
Showing posts with label Tesla. Show all posts
A Transport Revolution is Coming
03:03

A Transport Revolution is Coming

Revolutions by their nature are often very disruptive to the traditional order. Change can be a gradual thing that often creeps up on people. Then as people become aware of the full implications, vested groups often see these new emerging developments as a direct threat to their interests. Exactly that is happening right now and here history can be something of a guide.

Back in 1764, James Hargreaves from Lancashire, England, applied for a patent for a machine called a Spinning Jenny. This event, along with the invention of the steam engine, were two of the direct contributors towards the beginning of the industrial revolution that was to change our world forever. The Spinning Jenny inspired the creation of mechanised looms, something that a group known as the Luddites took an exception to. They saw the new automated weaving factories as a direct threat to manual worker jobs and set about destroying them. However, despite the Luddites considerable protests and resistance, the industrial revolution carried on regardless.

Today, we are once again witnessing the beginnings of a similar paradigm shift and this time concentrated on the area of transportation. Currently, there is a gradual movement away from the combustion engine towards alternative forms of propulsion, specifically electric vehicles, EVs, that is rapidly gaining traction.

I have to declare an interest here as I am lucky enough to own a Tesla that I absolutely adore. Therefore as owner, in this article, I'm going to attempt to counter some of the misinformation about EVs that are out there. 

These are some of the arguments against owning an EV that you may have heard are:

  • Electric vehicles only have a range of a hundred miles.
  • They lack performance.
  • They aren’t really that green because their energy comes from the fossil-fuelled power stations.
  • The batteries don’t last very long and need to be replaced frequently.
  • Electric vehicles are expensive.
  • Lithium batteries use cobalt from regions that exploit child workers.
  • Electric vehicles are always catching fire and blowing up!
So let’s step through each of those points in order.


  • Electric vehicles only have a range of a hundred miles.

Range anxiety is one of the biggest things that puts people off buying an EV. However, to clear one thing up straight away, EVs today have a far greater range than 100 miles. Tesla, which is currently the EV manufacturer to beat, has 230 useable miles for its base range MS 75D model. For the 100D model, this range rises to 335 miles. Not enough range for you? 

Well to put this into context how much do you drive in a typical day, below a hundred miles? And how often do you have to queue for fuel? Once a week? Most of the time with an EV you charge at home so you nearly always start your day with a fuel tank of energy.


So what about those longer trips where internal combustion engine, ICE, vehicles come into their own. I don’t know how big your bladder is but I need to stop every so often for a comfort break. Tesla once again leads the pack here with their extensive Supercharger network and it looks like other manufacturers are starting to follow this philosophy. 

The speed that these chargers can recharge your vehicle can be remarkable. To give a real-world example, I thought I’d stop for lunch next to a Supercharger in Norfolk recently. In twenty minutes, faster than it took for my food to arrive, my car had been recharged to eighty per cent. Pretty impressive. And just think for a moment how you use motorway service stations, at least in the UK. Most people typically stop and grab something to eat, and then maybe buy their fuel afterwards (if you can afford the exorbitant price of motorway service stations). With an EV car after your lunch your car is recharged and ready to go, so need for that extra fuel stop that ICE vehicle owners have to do.

Additionally, battery technology is advancing and you can expect to see far great range in future generations of vehicles.

  • They lack performance.
This impression is probably based on the very first electric vehicles but is certainly no longer true. My car, for example, is the base Tesla MS 75D model and the performance is astonishing with 0-60 mph in 4.2 seconds. Combine this with ease of launch and even vehicles that are faster on paper often have a hard time keeping up with a Tesla from a standing start with its endless supply of torque. And we are talking about the base model here. The Tesla P100D performance model with its famed ludicrous mode pushes the 0-60 time to 2.3 seconds is faster than many supercars. All I can tell you is that in a real-world situation my slow Tesla is plenty fast for me and certainly faster than any vehicle I’ve owned previously.

  • They aren’t really that green because their energy comes from the fossil-fuelled power stations.
Once again this is a blinkered look. In the UK, a country that has been shifting over to a greener grid for some time now, a huge proportion of the energy produced is increasingly supplied from green sources such as wind and solar farms. The move towards renewable sources is accelerating every year and this trend isn’t set to reverse with coal powered power stations being rapidly phased out.

In addition to this, as an EV owner, you can take the matter into your own hands and install solar panels on your roof that you can then charge your car with, or export the excess back into the grid. After your initial investment has paid for itself you can harvest free fuel for your EV.

With ICE vehicles there is another energy cost known as Wells to Wheels. This is the cost of energy required to get fuel from a hole in the ground to a car. It takes far less energy to distribute energy, whatever the source, to an EV.

This is straight from a report from the Vehicle Technologies Office of the US Department of Energy:

“The national average is 4,815 pounds of CO2-equivalent emissions for a typical EV per year as compared to the average gasoline-powered car which produces 11,435 pounds of CO2-equivalent emissions annually.”

In other words, an ICE car creates more twice as much carbon pollution as an EV. And as energy generation goes greener the lower that figure for EV pollution will become.

  • The batteries don’t last very long and need to be replaced frequently.
Not true with Tesla vehicles at least. In a number of countries, Teslas are sometimes used as taxis. Some of these cars have already passed 300,000 miles with battery degradation at the ten per cent mark. Compare that to an ICE vehicle of a similar mileage and the effect on its range and performance, and these Tesla numbers are outstanding. And we haven’t even touched on the much cheaper running costs of electricity compared to petrol and diesel. There is also a far lower maintenance cost as there’s little to wear out on EV when compared to an ICE vehicle, with even the brakes lasting an exceptionally long time because of regenerative braking used by EVs.

  • Electric vehicles are expensive.
That is true today for an EV vehicle compared to an ICE alternative, but this has everything to do with the cost of batteries and that cost is currently falling. Right now it’s around $209/kWh. By 2025 it’s predicted to be $100/kWh and this is a very significant marker. Why? Because at that price point EVs become cheaper to manufacturer than an ICE comparable vehicles. And the good news here is that it will make EVs far more affordable for everyone to buy.

  • Lithium batteries used cobalt mined from regions that exploit child workers.
This is probably the hardest arguments to counter as much of the world’s current cobalt production comes from the Congo where awful child labour conditions exist. However, once again things are beginning to change and Tesla are amongst the leading manufacturers in tackling the problem. Tesla recently announced a move towards a new design of battery with a much lower use of cobalt. Tesla specifically, sources their cobalt from the Philippines and Canada. In addition, as the demand for cobalt raises the case of creation of new mines in less geopolitically sensitive countries, will start to be opened. The Congo is not unique in having cobalt deposits.


  • Electric vehicles are always catching fire and blowing up!
How many times on the media have you seen an EV fire reported and often it makes headline news. You may be under the impression that driving an EV is like riding in an unexploded bomb. This is a highly false impression brought on by media bias. To put this reporting into context, in the US there are 152,300 combustion engine fires every single year. By contrast, there are a handful of EV fires and even factoring in the far great number of ICE vehicles on the road, you would still have to have ten times the number of EV fires to get to a close percentage. The problem and very real danger of ICE vehicles is that they use a highly combustible fuel source. EVs are inherently safer and the statistics back this up. Lithium fires can be more tricky to put out, but fire crews are being trained about how to do exactly this. The problem for the media is that ICE car based fires are so common that they are not viewed as worthy of being reported unless the fire blocks a considerable amount of traffic. Consider that the next time you hear an EV fire once again making headline news.

Conclusion

This article isn’t meant to be an exhaustive list of arguments to support the adoption of EVs, but at the very least will hopefully help to counter some of the misinformation out there that you may have heard.

There are, of course, a lot of vested interests who want to see manufacturers like Tesla fail: from oil-rich countries, who see the rise of EVs as a threat to their long-term profits, to rival traditional car manufacturers that have been till now slow to react the disruptive EV (Spinning Jenny like) effect on their core industry, And of course, let’s not forget many of the shorters of Tesla stock, some of which who have a very real incentive to see Tesla fail (Tesla is the most shorted stock on the market).


Regardless of what happens next, much of the world of transport is going to move towards EVs and that is a change for the better. Many traditional car manufacturers are at last getting serious about EVs and will be releasing new vehicles over the next few years. And that is nothing but good when it gives the consumer a greater choice in their purchasing decisions. The shift towards EVs was always one of Elon Musk's stated aims with Tesla, to show just how good EVs could be and to encourage other manufacturers to move towards them. With a wide range of companies now planning to release their own EVs, you could say it's mission achieved for Elon Musk.

I'll close this article by saying, based on my own experience, my own Tesla is by far the very best vehicle I have owned. From performance to the sheer relaxation of driving one, to how the car is continually improving with over the air updates (just like your mobile phone), to the very impressive Autopilot system. If you don't think EVs are a viable alternative to an ICE vehicle, I encourage you to grab a test drive in one because I think you will be seriously surprised.

So what do you think? Are you considering an EV for your next vehicle? If not, why? Let me know in the comments below.



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Grid Parity – A Revolution That Will Change Power Generation Forever
10:17

Grid Parity – A Revolution That Will Change Power Generation Forever



Here’s a date to put in your calendars…2020. Why? Because, based on the more conservative projections, that’s the year that countries like the UK will reach a tipping point in power generation. Slipping under the radar of many people, there has been a quiet revolution that’s been steadily building momentum for many years now. It has everything to do with all those solar panels that have been appearing up on the roofs of many homes, the numbers of which have growing exponentially over the last few years.

In the UK, government feed in tariffs (FITS) have partly helped fuel the rapid deployment of photo voltaic (PV) panels. Unfortunately for an industry that’s just started to hit their stride, the subsidies they have recently been slashed by the UK government, a decision that many believe is very short sighted.

However, things aren’t necessarily as bad as they might as first seem. There is something rushing towards us that will change everything – grid parity – a phrase that we are all going to be hearing a lot more about, over the next few years.

So why all the excitement?

Grid parity is the moment at which solar generated power reaches the same price point as grid generated power, which in the main is still provided from fossil fuel sources. For very obvious reasons PV reaching the same price as fossil fuel generated power, has very bug implications for our planet. And before you think this is fanciful notion, grid parity has already been achieved in states like California. Even with subsidies falling away, nothing is going to slow down our rush towards this far reaching power generation paradigm shift for our world.

It gets better. There is nothing to stop the plunge in price of PV power, shooting far below that of the fossil fuel equivalent. PV cells are increasing in efficiency every year, and they are also getting cheaper. In the many scenarios, it is only a matter of time before fossil fuels can no longer compete with PV power.

Wind and wave power have their place in green power generation, and also some make the case for nuclear generation, despite the huge costs related to it. Of course many argue against it, including for reasons of safety.

There is one major obstacle for PV power generation, that it is lumpy and it doesn’t work at night. Also in winter PV produces less power due to the decreased sunlight. However, there are two other developing areas that may prove to have a significant role in dealing with PV power's shortcomings – and both are to do with power storage. 

The first technology is industrial scale flow batteries. Flow batteries are a maturing technology that have the potential to be able to store huge amounts of energy generated during the day from PV, and other renewable, sources such as wind turbines. Once stored, this power can be delivered back into the grid when the sun isn’t shining and the winds are calm.

Flow battery technology will be key to weaning us off coal powered generation addiction. There are very exciting developments in this area, with the recent announcement on a lithium based flow batteries that, compared to the current flow batteries on the market today, deliver ten times the amount of power storage. There are technical hurdles to be solved, but the future is looking extremely promising for this technology.

The second key development is linked to weaning off households on their reliance of the grid. At the moment a typical household with PV panels, generates excess power, that during the day, is fed back into the grid. However, what if you could store that unneeded power in your own super-sized battery? That is exactly what people like Elon Musk, of Tesla and SpaceX fame, has been pondering about, too. His company's solution is called Powerwall, a large battery storage device, that when used in conjunction with PV cells, will mean that household will be independent of the grid for long periods of time, maybe even in some cases, completely.

One thing is for certain. The renewable power generation revolution is gathering force and 2020 is rushing towards us. And when we reach grid parity, that can only be a good thing for putting the brakes on global warming.

If you have time, I highly recommend spending 25 watching Al Gore’s excellent TED talk, New Thinking About the Climate Crisis. This is his follow up talk to his famous, An Inconvenient Truth TED talk (2009). It would seem there is an awful lot to be optimistic about. 





Image at top of article copyright NASA
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Nikola Tesla – Forgotten Genius
08:41

Nikola Tesla – Forgotten Genius
“Let the future tell the truth, and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I have worked, is mine.”
– Nikola Tesla
They say that the history books are written by the winners. Maybe that’s one of the reasons most people aren’t that familiar with the name Nikola Tesla. He was a Serbian-American born during a lightning storm in the 19th century, and was a true genius in every sense of the word.

Ask someone who invented the light bulb and they’ll probably come up with the name of Tesla’s great rival, Thomas Edison. The irony is that Edison didn’t actually invent the light bulb – in fact he perfected the work of others to develop a more reliable and commercial design. Tesla and Edison, great rivals, fought directly for supremacy in the way electricity was distributed. Okay, maybe this doesn’t sound as significant as the invention of the light bulb, but it’s just as fundamental to our modern world.

Towards the end of the 19th century, a fierce battle was raged for the future of electrical distribution by the two scientific giants, Edison in the corner supporting direct current (DC), and Tesla in the other championing alternating current (AC). Despite Edison’s significant campaigning for the adoption of the DC system (which included electrocuting animals to prove how dangerous AC was), there’s a major problem with DC – over any significant distance it’s hugely inefficient. If the world had adopted Edison’s approach we would have needed countless hundreds of thousands more power stations than we have today. Thankfully, Tesla’s much more efficient AC system won through and it’s that which forms the backbone of modern electricity distribution grids.

It might be understandable if the world had overlooked Tesla for this single contribution to humanity, but his talents didn’t stop there. There are numerous areas that Tesla pioneered, including: radio, radar, x-rays, hydeo-electric generation, the modern electric motor, recording of radio waves from space, even early experiments in cryogenic engineering. The list goes on and on. In other words Tesla was a true genius in every sense of the word.

Tesla had an astonishing mind and was a true visionary, not bound by current thinking and trends. An example of this maverick approach is one of his final inventions where he experimented with wireless power. Tesla constructed the Wardenclyffe Tower, a device intended to use the Earth and its ionosphere as giant electrical conductors. To realise this extraordinary idea, Tesla intended that receiving stations would be constructed around the world which could draw power from this wireless power grid. This might sound like an absurd concept, but many took it seriously including financier, J.P. Morgan, no less. He helped to fund Tesla’s experiments, but despite early promise, the development work proved prohibitively expensive, and during the stock market crash of 1901, Tesla’s funding dried up. It it hadn’t, maybe our world would be very different today, with power beamed into our homes and vehicles. It sounds crazy, but who knows, maybe in the future someone may go on to prove the feasibility of Tesla’s early pioneering work.

So why do we remember Edison but not Tesla? It’s a good question. Maybe it’s because he laid the ground work that others capitalised on to the point that they are credited with their invention. Also, whilst Tesla’s contemporaries enjoyed huge financial success (and some might say were better businessmen), Tesla died alone and broke in a New York hotel room. Maybe, this underlines that he was more an ideas man, rather than someone concerned with commercially exploiting his inventions.


Whatever one believes about Tesla’s life, without doubt he made a major contribution to scientific progress. Certainly, if he hadn’t have lived, we would have felt the impact on our modern world. But at least now we are starting to recognise the significance of Tesla’s contribution and how his genius touches all our lives to this very day. At the very least, we owe him a debt of gratitude. 
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