The transportation landscape is evolving. Rapid advancements in the auto industry have led to new fuels and technologies that weren't available five years ago.

There are a multitude of alternative fuels and vehicles on the market today. Ethanol, biodiesel, propane, natural gas, hydrogen, and electric are some of the fuel and technology choices available to a fleet manager or general consumer on today’s market. Within each of those categories lies a wide range of...