Article: Fuel efficiency: alternatively powered vehicles.(Spec'ing for ...)

While diesel is expected to remain the dominant fuel type used in commercial vehicles for the foreseeable future, truck and engine manufacturers are actively exploring alternative fuels that offer enhanced fuel efficiency, can be used to help reduce greenhouse gas emissions and lower dependence on non-renewable energy sources.

One example of this activity was an August 2007 demonstration by the Volvo Group, the parent company of Mack Trucks and Volvo Trucks North America. Displaying seven trucks, each powered by a different non-carbon dioxide emitting renewable fuel, the company showcased alternatives that could be used by North American fleets in the future.

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