Based on the Joe cell design and tested for use with 7.0 to 9.0 liter diesel engines, this unit manufacturered by HydrogenBoost defies freezing weather and gives a range of 500 miles before top up.

Makes 100 litres oxy-hydrogen per hour
Best suited for 7 to 9 litre engines
425 to 550 cubic inches
Mileage range per fill 500 (800 km)
Size 5×10 inches
Can be used in freezing weather
Draws 15 to 20 Amps
6 month free replacement parts
6 month supply of KOH
Electrolyte kit valued at $12.95 with gloves and mask, including MSDS info