DETROIT – For President Joe Biden to reach his ambitious goal of slashing America’s greenhouse gas emissions in half by 2030, huge reductions would have to come from someplace other than one of the worst culprits: Auto tailpipes.
That’s because there are just too many gas-powered passenger vehicles in the United States — roughly 279 million — to replace them in less than a decade, experts say.
In a normal year, automakers sell about 17 million vehicles nationwide. Even if every one of the new ones were electric, it would take more than 16 years to replace the whole fleet.
What's more, vehicles now remain on America's roads for an average of nearly 12 years before they're scrapped, which means that gas-fueled vehicles will predominate for