Construction equipment

Achates Power’s low-NOx diesel reaches fleet service

Achates Power announced that the heavy-duty diesel engine it developed through a project funded by the California Air Resources Board (CARB) and several partners has entered fleet service with Walmart in a Peterbilt 579 tractor.

According to Achates, it is the only on-road diesel engine capable of meeting CARB 2027 regulations, which require a 90% reduction in nitrogen oxide (NOx) emissions compared to current standards.

The project team also demonstrated that the engine, known as a high-efficiency opposed-piston diesel engine, reduces carbon dioxide (CO2) by 10%. Achates Power’s ultra-low NOx engine is designed to achieve superior fuel efficiency due to its reduced heat loss, improved combustion and reduced pumping losses, the company says. The engine is capable of delivering ultra-low NOx emissions by managing exhaust gas temperatures to ensure rapid catalyst burnout and maintaining aftertreatment temperatures at optimum operating conditions under all driving conditions .

CALSTART leads the large demonstration project team. The team includes Aramco Americas, BASF, Corning, Southwest Research Institute, Borg Warner, Eaton, Faurecia, Tenneco, Eberspaecher and SuperTurbo.

“Achates Power is grateful that the California Air Resources Board led the funding for this demonstration program, and we are excited to work with our partners around the world to bring opposed piston engines to market,” said Dave Crompton, President and CEO of Buying Power. “It is particularly remarkable that we have been able to achieve the extremely stringent NOx limits without any additional emission control devices, reducing the cost, complexity and compliance risk of ultra-low NOx powertrain solutions. »

In addition to CARB, the South Coast Air Quality Management District, the San Joaquin Valley Air Pollution Control District, and the Metro Air Quality Management District of Sacramento funded the project.

“Reducing heavy-duty vehicle emissions is key to cleaning the air,” said Wayne Nastri, general manager of the South Coast Air Quality Management District. “This kind of innovative, cleaner engine design is what we need not just here locally on the South Coast, but across the country to protect communities nationwide suffering from the pollution associated with the movement of goods. “

Source: Power Purchases


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