Causespixabay.com Truck makers face a tech dilemma: batteries or hydrogen? Under pressure to cut emissions, truck manufacturers are choosing between batteries and hydrogen fuel cells. Wagering incorrectly could cost them billions of dollars.
Politics www.nytimes.com What if highways were electric? Germany is testing the idea. An electrified highway is theoretically the most efficient way to eliminate truck emissions. But the political obstacles are daunting.