I' have read from the website below that it is possible to convert the diesel engine of cars, jeeps/jeepneys, and trucks to double tank system so that they may run on both diesel fuel and filtered used vegetable oil.
If his operation is in an area where it is above 40 degrees, he can actually get by with simply filtering the WVO and adding it into the tank. If he is below 40 degrees F, then it is not so simple. The double tank would have to be custom made for each off road vehicle. If his area gets below freezing, he needs to add a coolant jacket to the WVO tank so it remains liquid at lower temps if the tanks are not so equipped currently.
Of course they can, the only difference is the size of the engines, all functions are identical.
