California's Ontario International Airport has ordered 20 Cummins Westport 195-hp B LPG Plus engines using liquid petroleum gas.
The engines will be installed in 32-ft commercial buses manufactured by DaimlerChrysler Commercial Buses of Greensboro, NC, and will be delivered in 2004.
The order is the first Cummins Westport has received for the engine since its commercial release last month.