Transportation is the largest source of planet-warming gases in the United States, which makes reducing tailpipe pollution as quickly as possible essential to meeting our climate goals. The Biden administration took a huge stride toward that goal Wednesday when it unveiled the tightest limits the nation has ever placed on vehicle emissions.
The rule, which follows three years of deliberation among regulators, automakers, and others, places increasingly stringent standards on the amount of CO2 and other pollutants cars can emit. The goal is to further electrify the country’s fleet through 2032, when President Biden hopes to see every other car sold be electric or a plug-in hybrid.
“Three years ago, I set an ambitious target: that half of all new cars and trucks sold in 2030 would be zero-emission,” Biden said in a statement posted on social…