UK: Dearman has begun on-vehicle testing of a second generation liquid nitrogen transport refrigeration engine. Dearman and its technology partner Hubbard Products began testing its liquid nitrogen Dearman engine, which replaces the standard diesel engine, on a transport refrigeration system in early 2015. Since then the Dearman engine has been re-designed to be 30% lighter, 30% … Continue reading Hubbard tests Dearman 2 engine