1. A liquid fuel made from vegetable (or similar) oils than be be used in a mixture with, or substitute for, diesel fuel

Encyclopedia: Biodiesel

• railbird
• railcar
• railcard
• railer
• railhead
• railing
• raillery
• railroad
• railroad bed
• railroad car
• railroad engineer
• railroad flat
• railroad junction
• railroad line
• railroad locomotive
• railroad man
• railroad siding
• railroad station
• railroad terminal
• railroad ticket
• railroad tie
• railroad track
• railroad train
• railroad tunnel
• railroad vine