Video: Alternative fuels for long-haul transportation

Two major fuel alternatives have emerged for long-haul transportation – natural gas and hydrogen. Natural gas is a suitable transport fuel either in its compressed form (CNG) or liquefied form (LNG) and it has the volumetric energy density that makes it viable for use in trucks. Natural gas fuels are less toxic than gasoline and diesel, and non-carcinogenic. Engines running on natural gas emit less noise than those running on diesel. Hydrogen is the most abundant element in the universe and has the highest specific energy density of any non-nuclear power source. It can be created using many sources, stored indefinitely and can be shipped relatively easily. Which of these alternative fuels will power long-haul transportation in the future?

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