Subscribe to a magazine

Swithes Gauge

Back to article View Gallery
5 of 5
As for the interior, the only difference for a VPS dual-fuel system in the cab is a couple of switches and gauges. One switch turns the line heaters on while another toggles between petroleum diesel and veggy oil. Temperature gauges monitor the in-tank and fuel line temperatures. This particular truck has its second temperature gauge mounted in the A-pillar.