The Biden administration on Friday announced a regulation designed to turbocharge sales of electric or other zero-emission heavy vehicles‚ from school buses to cement mixers‚ as part of its multifront attack on global warming. The Environmental Protection Agency projects the new rule could mean that 25 percent of new long-haul trucks‚ the heaviest on the road‚ and 40 percent of medium-size trucks‚ like box trucks and landscaping vehicles‚ could be nonpolluting by 2032. Today‚ fewer than 2...