Success Stories and Case Studies

Where can I find case studies and other information about fleets that have successfully adopted alternative fuels and advanced vehicles? Alternative Fuels Data Center (AFDC) Resources The AFDC Case Studies search is a great resource for examples of what real fleets...

Spotlight on Fuel Economy

While each vehicle reaches its optimal fuel economy at a different speed (or range of speeds), gas mileage usually begins to decrease at speeds above 50 mph. #7 Clean Cities Top 20 Facts Small changes can make a big impact Over the last 20 years, Clean Cities...

Spotlight on Natural Gas

Natural gas buses accounted for 19% of all transit busses sold in 2010. #6 Clean Cities Top 20 Facts Nearly 63,000 natural gas vehicles in service Clean Cities coalitions have played an important role in the growing use of natural gas as a transportation fuel. Recent...

Clean Cities Online Tools

#5 Clean Cities Top 20 Facts More than a dozen tools help stakeholders deploy alternative fuels and vehicles The success of the Clean Cities program over the past 20 years is possible in part because of a network of coalitions, stakeholders, and technical experts who...

Spotlight on Plug-In Vehicles

Source: Chart created by NREL with data from HybridCARS.com #4 Clean Cities Top 20 Facts More than 100,000 plug-in vehicles sold in the United States In May of this year, cumulative sales of commercially available plug-in electric vehicles (PEVs) surpassed the 100,000...

Natural Gas Vehicle and Infrastructure Key Terms

What are the key terms to know when discussing natural gas vehicles (NGVs) and their fueling infrastructure? As with all alternative fuels, it is important to know how to “talk the talk” when it comes to natural gas. Becoming familiar with the terms below...