Which alternative fuels will survive long-term? Twitter poll results

2015 Hyundai Tucson Fuel Cell, 2016 Toyota Mirai at hydrogen fueling station, Fountain Valley, CABuilding a fueling network turns out to be more of a challenge than many advocates, regulators, and drivers may have anticipated. The attempt to boost passenger vehicles fueled by cheap, abundant U.S. natural gas is now essentially over, with a mere 942 public natural-gas fueling stations throughout the 50 states. E85 ethanol, the biofuel that's...