Transportation

Minnesota weather whiplash: From record highs Monday to snow and school closures Tuesday
After record high temperatures across much of the region on Monday, a winter storm was pummeling parts of northern Minnesota with heavy snow on Tuesday. Some schools and universities canceled classes.
EPA approves year-round sales of higher ethanol blend in 8 Midwest states
The biofuels industry and politicians of both parties have portrayed ethanol as a product that helps farmers, reduces prices at the pump and lessens greenhouse gas releases. But environmentalists have said increased ethanol production can increase carbon releases.