Three Primary Fuel Sources for Today’s Vehicles

The transportation industry is always looking for ways to improve engine performance, vehicle design, and even manufacturing processes. Because the cost of fuel can rise and fall over night, many motorists always looking for a way to save at the pump. Some choose to purchase a higher quality gasoline, while others may turn to engine modifications like fuel air separation systems. As technology has improved the overall design and performance of automobiles, vehicle fuels have changed as well. Here are three primary fuel sources in use today.



The most common fuel found in vehicles today is gasoline, due to the design of four-stroke engines. Using gasoline allows a vehicle to accelerate quickly and operate quietly. It creates an easy combustion in the engine, but as it burns, it contributes to smog, pollution, and global warming. This fuel is readily available, but it isn’t being looked at a permanent fuel source because of the effect on the environment, the cost, and long-term drain on limited resources.



Larger vehicles like boats, buses, tractor-trailer trucks, and trains generally operate on diesel fuel. Like gasoline, it is a non-renewable fossil fuel, but it doesn’t release as much carbon dioxide into the environment. However, it does create more smog with the release of nitrous oxide and organic compounds. Diesel has about 30% more fuel efficiency than gasoline, contributing to a longer life of engines running on the fuel.



Liquid petroleum (LP) is more often referred to as propane, and despite a fledgling presence in the transportation industry, it is a clean fuel alternative. The United Kingdom currently has propane-run cars on the road, but the U.S. has no official production of these engines.  LP releases fewer toxins when it is burnt, and as such, does not fill the environment with smog the way other fuels do. As an added bonus, it is also cheaper than gasoline.


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