Can biodiesel be used in standard diesel engines?
Diesel engines require a few modifications to run on biodiesel fuel blends. Without proper alterations, biodiesel can harm fuel system components – primarily hoses, pump seals and filters. Biodiesel will gel in cold conditions, similar to petroleum diesel fuel. Higher biodiesel blends typically gel faster, although biodiesel blends up to B20 require the same fuel management as petroleum diesel.