Research Electric cars—even powered by the dirtiest electricity—are still cleaner

20:30  08 november  2017
20:30  08 november  2017 Source:   qz.com

The Dirtiest Corvette Ever

  The Dirtiest Corvette Ever Corvettes are dirty cars.

Even in European countries with the dirtiest electricity , electric cars are cleaner than diesel. Still , the study shows that a battery- powered vehicle in Poland, well-to-wheel, emits 25% less carbon dioxide over its lifetime than a diesel car .

A new study has tried to address two of the main concerns over the environmental impact of electric vehicles versus gas- powered cars : namely the emissions from electricity generation to power the EVs and the impact of mining raw materials. The main takeaway is that even electric cars powered

  Electric cars—even powered by the dirtiest electricity—are still cleaner © Provided by Quartz

Regardless of how dirty the energy source, any battery-powered car is still cleaner than diesel.

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Opposition to the electric-car revolution has long argued that if one accounts for the well-to-wheel impact—the pollution produced from the entire cycle of power generation to fuel a car, rather than just the gasoline to power it—battery-powered vehicles are not necessarily any cleaner than gas-powered ones because of the dirty ways we produce electricity.

BMW’s and Canada’s electric-vehicle future

  BMW’s and Canada’s electric-vehicle future The transition to electrified vehicles is under way and BMW is ahead of the curveIf these regulations are successful, other governments will follow their example and automakers will have to be ready.

Electric cars are great for eliminating oil from transportation, because very little U.S. electricity is generated by burning petroleum. Shifting it to hundreds of smokestacks at power plants that supply electricity to charge electric cars therefore seems like a more effective way to clean up the fleet.

The argument that electric vehicles are just as polluting as gas- powered vehicles because they consume electricity produced from coal plants As the grid gets cleaner , thanks to solar, wind, hydro and other renewable energy sources, the electric car ’s advantage is increasing every day and the

A new study (pdf) from VUB University in Brussels looked at a number of different European countries and found that, in the case of diesel cars, electric cars are always better, no matter where the energy comes from. Take Poland, for instance. According to the International Energy Alliance, Poland still received 50% of its total energy production from coal, the dirtiest of all energy sources, in 2016, meaning that the way that power was generated to power that Tesla or Nissan Leaf was not the cleanest.

Still, the study shows that a battery-powered vehicle in Poland, well-to-wheel, emits 25% less carbon dioxide over its lifetime than a diesel car.

This is of particular importance in Europe where, in an effort to meet Kyoto protocol goals, Europeans turned to diesel because, though it produces more smog-causing particulate matter, diesel is actually slightly better than unleaded gas terms of its production of carbon dioxide; in 2014, more than 50% of European cars ran off diesel.

EVs Are Cheap to Run but Expensive to Own, Thanks to Abysmal Resale Values

  EVs Are Cheap to Run but Expensive to Own, Thanks to Abysmal Resale Values <p>If you’re planning to buy a new electric car, you’d better be prepared for some sticker shock—not when you buy the car, but when you sell it.</p>Electric cars are more efficient than gasoline or diesel vehicles, and they save serious money—a few hundred to a few thousand dollars a year, depending on the vehicle type—using electricity from the grid versus fuel from the gas station. They cost less to maintain and repair, too. But all that money saved—even including the $7500 federal EV tax credit that will sweeten your first year—won’t counter the worst thing to befall most EVs: horrendous depreciation.

A battery- powered car recharged with electricity generated by coal-fired power stations, it found, is likely to cause more than three times as many deaths from pollution as a conventional petrol-driven vehicle . Overall, the research shows that electric cars are cleaner than those that rely on

First, gasoline- powered cars are much cleaner in rural areas, where their emissions don't affect the sparse population. Out west, where electricity is generated with more renewable sources, power for electric cars causes much less damage.

In the US, where the majority of consumer cars run on unleaded gas (pdf), electric cars can win out, too. A study by the Union of Concerned Scientists earlier this year found that well-to-wheel, “for over 70% of Americans, driving an [electric vehicle] results in fewer emissions than even a 50mpg gasoline vehicle.”

And as the cost of renewable energy continues to decline worldwide, resulting in cleaner energy sources, and advances in battery technology makes energy storage more efficient, lighter, and energy dense, the environmental advantages of electric over gas-powered cars will only become more pronounced.

That said, for the moment, in countries like India, China, and even Australia–where coal is still the predominant energy source—the demands placed on the electricity grid from the production, then charging of electric vehicles may actually be worse than a hybrid or even a highly efficient gasoline car, Scientific American reported.

Read this next: California is getting so much power from solar that wholesale electricity prices are turning negative

Could Hydrogen-Powered Vehicles become Viable? .
<p>Plenty of media attention is paid to all-electric and hybrid vehicles, but not to hydrogen-powered fuel-cell cars.</p>That is about to change, as hydrogen-powered cars could become a viable alternative to the internal combustion engine within the next decade.

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