Polaris diesel ATVs: In 1993, Polaris importer E P Barrus set the diesel ATV ball rolling with its 300cc D-Bat conversion.

Spawned out of matching a Yanmar single-cylinder diesel and Polaris ATV 4×4 rolling chassis, the D-Bat looked as though it would steal sales from petrol rivals because it could run on the pink stuff. But there was a downside, too, as James de Havilland reports