With the goal to convert its entire fleet of more than 100 vehicles to operate on natural gas, Virginia-based TFC Recycling has placed an initial order for diesel-to-natural gas engine conversion kits ...

Peake’s conversion kit has been approved by the U.S. Environmental Protection Agency (EPA) for a variety of engines. The certificate of conformity makes it the only dual-fuel natural gas retrofit ...

Natural-gas cars sell only in tiny numbers to individual retail buyers, although they have found some traction with fleets that have ready access to the fuel. Now, those fleet buyers will get another ...