Would weaker EPA rules kill advanced start-stop hybrid systems for U.S.?

2018 Honda Clarity Plug-In Hybrid debuts at 2017 New York auto showToday's political climate has made for fluid motion in regulations, and corporate average fuel economy targets haven't been left out. Suppliers and automakers have already begun investing heavily into vehicles to be sold in 2022 through 2025, which will include various fuel-saving and emission-reducing technologies. However, that unsettled...