Everllence has announced that its 21/31 dual-fuel engine has successfully operated on ethanol across all load points during tests at its Frederikshavn facilities in Denmark. The Germany-based company ...

Gregg Petersen's Hilborn-injected Chevette. The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor ...