Westport Innovations said Friday it has acquired Clean Energy Fuels Corp.’s light-duty natural-gas vehicle subsidiary, BAF Technologies, for $25 million in Westport stock.

Proctor & Gamble said it will work with carriers to convert 20% of its for-hire truckloads to natural-gas powered vehicles within two years.

Trillium CNG said it plans to build 101 publicly assessable Class 8 compressed natural-gas filling stations by 2016.

Penske Truck Leasing today said Tuesday it has ordered 100 compressed natural gas Freightliner Cascadia tractors equipped with Cummins Westport 12-liter engines.

WASHINGTON — U.S. Secretary of Energy Ernest Moniz called natural gas a promising alternative to oil for a number of reasons and said the department hopes to play a role in speeding development of fueling infrastructure.

A House bill would tax liquefied natural gas based on energy output rather than a per-gallon basis, according to its co-sponsor, Rep. Mac Thornberry (R-Texas).

All natural-gas engines take advantage of the fuel’s lower cost and lower output of regulated emissions than diesel fuel, but there are some key differences in the types of engines available that could affect a truck buyer’s considerations of what type to buy.

Clean Energy Fuels Corp. said its first-quarter loss narrowed from a year ago as sales rose and natural gas deliveries increased.