The US Department of Energy just released its 2013 Vehicle Buyers Guide, which explores the wide range of alternative fuel vehicles now available in the US and the fueling infrastructure being implemented to keep these vehicles on the road. The guide provides model-specific information on vehicle specs, manufacturer suggested retail price (MSRP), fuel economy, energy impact, and emissions. Vehicle and fuel categories explored in the report include compressed natural gas, propane, all-electric, plug-in hybrid electric, hybrid electric, ethanol flex-fuel, and biodiesel.. The Article Clean Cities 2013 Vehicle Buyers Guide Evaluates Alt Fuel Vehicles appeared first on Automotive Digest.