EPA conducts hearing on importance of clean diesel

EPA conducts hearing on importance of clean diesel

At an Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) hearing on the future of greenhouse gas and fuel efficiency standards, Alan Schaeffer, the executive director of the Diesel Technology Forum, testified on behalf of the diesel industry.

“Today, manufacturers of commercial trucks, engines and their components produce the cleanest, safest and most fuel efficient technology in the world, and over 95 percent of those vehicles are powered by diesel engines. Advances in diesel engine technology will continue to contribute to the overall efficiency gains of vehicles under this proposed rule. As a result we expect diesel technology to remain the primary power-plant for commercial trucks into the foreseeable future,” Schaeffer said.

According to the Fuels Institute, by 2023 diesel engines will power between 95 and 97 percent of all medium and heavy duty vehicles despite the introduction of alternative fuels and powertrains, including all-electric, fuel cell and continued introduction of natural gas powered vehicles.

“For all parties, the challenge of further increasing fuel efficiency while maintaining or improving environmental, safety and productivity of commercial vehicles is as important as it is complex. To be successful, the final outcome here must build on the success already accomplished in achieving near-zero emissions with today’s new clean diesel technology, and drive continued innovation while ensuring that the end products are highly desired by customers,” continued Schaeffer. “When finalized these rules will join the Clean Power Plan, light-duty vehicle efficiency standards as the third key component of the administration’s climate change plan and are expected to contribute substantial greenhouse gas emission reductions while helping to advance commitments to the international climate convention.”

Witnesses at the EPA hearing in Chicago included environmental, health, industry and science representatives during the first of two national hearings on the Proposed Rulemaking to adopt Phase 2 of national greenhouse gas emission reduction and fuel efficiency requirements for medium and heavy duty trucks. The second hearing is scheduled for August 18th in Los Angeles.


The Diesel Technology Forum (DTF) is a non-profit organization that describes itself as being dedicated to raising awareness about the importance of diesel engines, fuel and technology.

You May Also Like

Range Energy receives $23.5M in new financing for electric trailers

This recent funding follows the company’s $8M seed round from November 2022, bringing total funding to $31.5M.


Range Energy announced a $23.5 million new financing round led by Trousdale Ventures and with participation from UP.Partners, R7, and Yamaha Motor Ventures. Range says it will use the money to expand customer pilot programs for its electric-powered trailers, as well trailer production. Additionally, Range says it is also working to develop a new trailer data and telematics platform. 

MEMA responds to finalized EPA Phase 3 standards

MEMA and its members welcome the EPA’s final rule for Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles.

The search is on: Returning initiative to reward military veteran driver with Kenworth T680

The competition is searching for America’s top rookie military veteran driver, who transitioned into trucking after military service.

Full Truck Alliance releases 2023 fiscal report

FTA says y/y net revenues and fulfilled orders were up considerably, while its net income more than quadrupled from 2022.

NACFE: natural gas sits in ‘messy middle’

The organization believes RNG to be a good fuel for fleets looking to decarbonize now, but expects some companies may hold out for BEVs.


Other Posts

EPA Clean Ports Program introduced; applications open through May 28

Applications are now open for the funds, which will support zero-emission port equipment and infrastructure and reduce diesel truck pollution. 

HDWA port-of-LA-clean-ports-program-epa-calstart
First Rizon Class 4-5 electric trucks delivered in California

The CARB certified EVs are starting to be delivered to customers in CA, orders will continue to be fulfilled throughout spring.

Last Peterbilt Model 389 raises $1.5M for charity, so far

Peterbilt and Rush Truck Centers split $1.5M between two charities, the last Model 389 is now part of a sweepstakes which will benefit a third.

Volvo, Westport joint venture to reduce long haul CO2 emissions

The companies anticipate that the joint venture will become operational in Q2 of 2024.