Using the Fuel Economy Guide Understanding the Guide Listings Why Some Vehicles Are Not Listed Vehicle Classes Used in This Guide Tax Incentives and Disincentives Why Consider Fuel Economy Fueling Options Fuel-Saving Technology Highlight: Start-Stop Systems Fuel Economy and Annual Fuel Cost Ranges for Vehicle Classes Improve Your Fuel Economy Model Year 2014 Fuel Economy Leaders Model Year 2014 Vehicles Diesel Vehicles Compressed Natural Gas Vehicles Fuel Cell Vehicles Electric Vehicles Plug-in Hybrid Electric Vehicles Hybrid Electric Vehicles Ethanol Flexible Fuel Vehicles"