Don’t count on EVs to cut GHGs

Electric Vehicles (EVs) will speed us down the path to Net Zero, right? Except that making the EVs generates emissions, and recharging the battery generates emissions, and replacing the batteries every 5 years generates emissions. So how do we know switching to EVs would actually reduce CO2 emissions?

01 Jun 2022 | Science Notes

We don’t, said a team of Polish and Turkish engineers, who recently observed that up to now no one has crunched all the numbers. So they did, asking what would happen to CO2 emissions if drivers were to get rid of their existing gasoline-powered cars and buy a new EV, taking into account how cars are made (but not the emissions from making the gasoline cars because the focus is on replacing existing traditional with new electric vehicles), the different ways electricity is generated in Europe and the life cycle of EV batteries. Based on the average distance traveled each year in various countries and the average CO2 emissions from electricity generation in the EU, for the first 12 years of ownership the EV would result in more total CO2 emissions than sticking with an existing gasoline car. And based on how electricity is generated in Poland itself an existing gasoline-powered car would never produce as many emissions as the new EV.

The comparison is in this chart. The red line shows cumulative CO2 emissions from driving 7500 km per year in Poland in a conventional gasoline car. The other lines show the CO2 emissions associated with an EV. They start partway up the axis because the new car has to be built whereas the existing one already was. If the option were to start from scratch the outcome would be different. But practical plans involve starting where you are.

The lowest line shows the cumulative emissions in a region that mainly relies on wind energy. The highest line shows the cumulative emissions in a region that mainly uses coal to generate electricity. The green line is the cumulative emissions profile in a region with an electricity mix like the EU as a whole, and the next line up shows the cumulative emissions from an EV in Poland. As long as the red line is below the other lines cumulative CO2 emissions are lower than those from the EV.

The authors also looked at what happens if people drive more or less than average. Predictably if they drive a lot, the EV cuts emissions faster, between 4 and 6 years. If they only drive 3,000 km per year, or about 40% of the average, then the EV never yields lower cumulative CO2 emissions compared to keeping an already manufactured gasoline car on the road.

EVs present other problems. They cost more, take a long time to recharge, charging stations may not be available when you need one, the batteries need replacing every 5 years and the electricity is expensive (thanks to the climate madness-driven push towards renewables) and there does not seem to be any prospect of manufacturing enough batteries to supply continents full of them. Plus they risk disastrous battery fires. Anything else?

Oh yes. They don’t necessarily reduce CO2 emissions compared to keeping your current car on the road. Other than that, they’re a great idea.

SOURCE: Don’t count on EVs to cut GHGs – Climate Discussion Nexus

Martin comments: Zero emissions? Yeah, sure…looks like a whole bunch of emission to me!

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Martin Harris

I have a lovely partner and 3 very active youngsters. We live in the earthquake ravaged Eastern Suburbs of Christchurch, New Zealand. I began commenting/posting on Uncensored back in early 2012 looking for discussion and answers on the cause and agendas relating to our quakes. I have always maintained an interest in ancient mysteries, UFOs, hidden agendas, geoengineering and secret societies and keep a close eye on current world events. Since 2013 I have been an active member of community, being granted admin status and publishing many blogs and discussion threads. At this time I'm now helping out with admin and moderation duties here at Uncensored where my online "life" began.

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