Diesel is less flammable than gasoline / petrol. CNG is also cheaper than petrol or diesel fuel. This is available on 1.6 litre petrol and 1.6 litre Diesel models. For the Fiat, engines were 2.0 litre 4-cylinder petrol or 1.9 diesel. The range consists of turbocharged 3-cylinder and 4-cylinder petrol and diesel engine options. A range of diesel and petrol engines were offered. Engines run on unleaded fuel closely resembling publicly available petrol. Fuel shortages caused long lines of cars at petrol stations. The Captur is powered by a range of petrol and diesel engines. Europe uses the HR 1.6 petrol and 1.5 dCi Diesel. It is a concept vehicle capable of using natural gas or conventional petrol fuel. The 4x4 was offered with 1.2 petrol and 1.3 Multijet diesel. Power is provided by a range of petrol and diesel engines. The 5 Series is offered with a range of turbocharged petrol and diesel engines. Biodiesel is similar to diesel but has differences akin to those between petrol and ethanol.