The Department of the Air Force has issued a solicitation for prototype multi-fuel power systems to back up its existing on-site power sources. The “flex fuel” prototypes DAF wants are designs ...

Those that have been are referred to as flexible-fuel vehicles, flex-fuel vehicles for short, or FFVs for shortest; they're also sometimes called dual-fuel vehicles. FFVs have sensors to detect ...

Missouri farmer and MCGA CEO Bradley Schad (far right) and his family in front of their flex fuel-compatible Ford F-150. Missouri Corn Growers Association CEO Bradley Schad, who still helps out ...

Meanwhile, companies are also asking the government to have a "technology agnostic" approach when calculating the CAFE score. "They should give weightage to all clean technologies-hybrid, flex fuel, ...