Photo by Autoblog GreenFiled under: Diesel, EV/Plug-in, Hybrid, USA U.S. sales of advanced-powertrain vehicles in July had their slowest year-over-year growth rate in three months, and below-peak gas prices may be putting domestic consumers in a little less of a frenzy when it comes to lowering their refueling bills. Additionally, electric-vehicle sales stalled, another small indication that the American public remains somewhat hesitant to plug in full time.... Read full article