Electric automobiles have by no means been extra fashionable. Just about each automaker is within the midst of an electrification effort, spurred on by impending authorities rules all over the world geared toward decreasing our dependency on fossil fuels. But is the motion having an impact? Here within the US, plug-in automobiles are promoting higher than ever, regardless of provide chain shortages and frequent hefty dealership markups.

According to Argonne National Lab, between 2010 and the top of 2021, greater than 2.1 million plug-in automobiles had been bought within the US, together with 1.3 million battery EVs. That seems like a really spectacular quantity, however keep in mind, that is out of a complete nationwide car pool of nearly 276 million cars and trucks. Argonne estimates that regardless of all these plug-ins, nationwide gasoline consumption was lowered by simply 0.54 % in 2021.

In whole, Argonne calculates that US plug-in automobiles have pushed almost 70 billion miles since 2010, consuming 22 terawatt-hours of vitality within the course of. That’s displaced using greater than 2.5 billion gallons of gasoline and 19 million tons of greenhouse gases, Argonne stories, though for context, the US consumed about 369 million gallons of gasoline a day in 2021. For 2021 particularly, plug-in automobiles saved about 690 million gallons of gasoline—about two days of consumption—and lowered CO₂ emissions by 5.4 million metric tons, consuming 6.1 TWh within the course of.

The largest progress in plug-in gross sales occurred in 2021, greater than doubling from the earlier yr from 308,000 automobiles to 634,000. That’s most likely not too shocking, given what number of new EVs reached the market final yr. In truth, BEV gross sales elevated 92 % to 457,000 automobiles in 2021, with plug-in hybrid EV gross sales rising by 150 % to 175,000.

Argonne assumed that plug-in drivers behave very similar to their gasoline-powered counterparts however utilized a utility issue to PHEVs primarily based on battery measurement and a mileage adjustment issue primarily based on EPA-estimated vary for BEVs, with the baseline being an inside combustion engine car driving 13,500 miles (21,727 km), with a mixture of 57 % freeway driving and 43 % metropolis driving. Proportional reductions in annual mileage as a result of Covid-19 had been utilized for 2020 and 2021 as properly.

Given that plug-in automobiles characterize virtually 1 % of all mild automobiles on the highway within the US, it is disappointing that the discount in gasoline utilization was simply greater than half a %.

However, Argonne gives proof in opposition to naysayers who assume EV adoption will crash {the electrical} grid—in 2021, charging EVs accounted for under 0.15 % of all US electrical energy consumption. Interestingly, Argonne discovered that whereas BEV effectivity has decreased marginally since 2018, PHEV electrical vary effectivity truly dropped dramatically between 2019 and 2021, which Argonne blames on the rising measurement and weight of electrified SUVs.

This report just isn’t an argument in opposition to individuals shopping for EVs, in fact; any gasoline financial savings is an enchancment on turning that gasoline into atmospheric air pollution that worsens local weather change. But it ought to be clear now that EVs on their very own are usually not a panacea to our transport-related local weather issues, and the longer term would require many extra individuals to stroll, cycle, or take the bus to get to the place they are going.

This story initially appeared on Ars Technica.