What is the cheapest fuel?

As evidenced by the growing number of vehicles running on gas, the cheapest is to use an LPG vehicle.

As evidenced by the rapidly growing number of gas-powered vehicles, the cheapest is to use an LPG vehicle.

Even taking into account the higher cost of the fuel injection system for fuel-injected vehicles and slightly higher gas consumption than gasoline, this fuel is unrivaled in price. Gasoline has the highest unit price of any fuel available on the market, but a car with a spark ignition engine is much cheaper than the same car with a diesel engine.

With the current small difference between petrol and diesel prices, the purchase of a diesel car is only depreciated after driving more than 100 km.