So-called experts are claiming that the first ultra-compact engine which has just been unveiled, will be the end of EVsTransport roundup: cleaner cars and planes

Who are these so called experts? What is there expertise in, and do other experts agree? Their expertise does not appear to have much backing it.

This engine weighs just under 11kg, and they believe that, as it delivers better efficiency and emission control, all within a sleek design. In the literature, so much is made of the efficiency of this engine, but that misses the point. They suggest that this efficiency closes the gap between combustion engines and electric ones.

This misses the point: electric cars are zero carbon at use. Therefore, the cleaner the grid gets, the lower the carbon will be. As such, it is all very well to compare electric cars now, to an experimental engine that will be in cars in a generation or two. However, in 2 generations, it is thought that most countries will have further greened their grid, leaving the electric car still ahead.

We drive an electric car, and as we pay our electricity company for 100% clean electricity, our carbon emissions are essentially zero (particularly, as we bought the car second hand). One could, quite rightly, argue that not all the electricity that we use comes from zero carbon electricity – instead, we use whatever electricity is being created at the time. But that is the point- our supplier buys enough zero carbon electricity to cover all our use, therefore, if they were supplying everyone in the country a 100% zero carbon electricity, they would have to buy enough green electricity for everyone. That could only be done by all the electricity in the country being green.

So, in short – suggesting an uber efficient small ICE engine used 10-20 years in the future is more efficient than an electric car driven on the grid now, is not a fair comparison. It is like comparing the price of apples now, to the price of futures in oranges next year. Do not buy into it. If every person in the UK drove an electric car, carbon emissions would be far lower, than if everyone drove the most efficient ICE car that has, or ever will be made (this seems pretty obvious, do not get hoodwinked).

Continue reading “So-called experts are claiming that the first ultra-compact engine which has just been unveiled, will be the end of EVsTransport roundup: cleaner cars and planes”

Easyjet has switched its green aviation focus from electric planes to hydrogen (though it is not giving up on battery planes)

Easyjet has switched its green aviation plans from electric to hydrogen. The aim is now to be flying a 200 person plane by 2035 on hydrogen. Previously, they were working with wright electric on a battery electric plane by 2030.

Currently, aviation emits roughly 2.5% of carbon emissions, and when taking into account non carbon effects, it accounts for roughly 3.5% of human global warming effects.

They have hastened to add, that this does not mean that they are giving up on battery electric, but that they wish to have multiple options. It is also recognized, that at least in the short-term, that while battery electric might be able to replace 80% of easyjets flight paths, the rest are to far for battery electric, unless power density takes a bigger leap forwards than currently expected.

In the meantime, inefficient aircraft are gradually being replaced. Of course this is good both for the environment and the company, as an inefficient plane uses more fuel to fly.

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