Even as the Trump Administration attempts to roll back California’s right to implement stricter-than-federal vehicle emission rules, the Golden State has...

Southern California Gas and Western Milling unveiled the first of a planned 30 new ultra-low emissions trucks the company will deploy at its operations in...

Diesel engines are cleaner than ever. So why is the California Air Resources Board calling for more zero emissions vehicles?

Biodiesel and renewable diesel fuels may not be as clean as other alternative fuel types or powertrains but their widespread adoption reduced emissions more...

The California Air Resources Board wants to accelerate zero-emissions vehicle technology in the next 10 years through regulation. But OEMs and fleets have...

New numbers from the California Air Resources Board demonstrate the importance of renewable fuels in cutting greenhouse gases from heavy-duty vehicles in...

Qualifying California purchasers of Kenworth's T680E are eligible for a $120,000 voucher incentive from the California Air Resources Board.

Cummins Westport’s ISL G Near Zero NOx natural gas engine has received Near Zero NOx emission certifications from the U.S. Environmental Protection Agency...

Aftermarket hybrid system manufacturer, Odyne Systems, has received an exemption from the California Air Resources Board permitting the installation of the...

EPA and NHTSA's public hearing on proposed GHG Phase 2 standards allowed fleets, manufacturers, environmental groups and legislators to air their concerns...

California has handed out 2,000 vouchers to fleets to fund hybrid and battery-electric zero-emission trucks and buses under a grant program overseen by the...

The California Air Resources Board has approved $373-million in grants to bolster alternative-fuel vehicles, including fleet-eligible rebates for low- and...

The California Air Resources Board has selected the clean transportation consortium CALSTART to continue to administer the California Hybrid and...

California fleets who use medium-duty diesel trucks older than 20 years may have to replace these Class 4-6 vehicles under a set of new regulations going...

The Clean Air Action Plan, which seeks to aggressively reduce emissions at the Ports of Los Angeles and Long Beach, has been approved by the harbor...

Peterbilt is offering the Cummins Westport ISL G Near Zero NOx emissions natural gas engine for its Model 567, 520, and 320 trucks.

The State of California, San Bernardino Council of Governments. and partners at Daylight Transport and BYD Motors have announced the arrival of the first of...

Volvo Trucks will demonstrate an all-electric truck in California next year with plans to bring it to market in North America in 2020.

The Ports of Los Angeles and Port of Long Beach in Southern California will require all newly registered trucks servicing terminals at either port to be...

The California Air Resources Board has penalized LKQ Corporation for selling used diesel particulate filters, which is illegal in the State of California.