article thumbnail

SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

Green Car Congress

Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. g/hp-hr NO x emissions). g/hp-hr NO x emissions).

Engine 545
article thumbnail

EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

Green Car Congress

The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. In this instance, CARB requested two waivers for regulations relating to heavy duty vehicles and engines.

EPA 210
article thumbnail

CARB and truck and engine manufacturers announce partnership to meet climate and emission reduction goals

Green Car Congress

The terms of the Clean Truck Partnership include: CARB will align with EPA’s 2027 regulations for NO x emissions. CARB also will modify elements of the 2024 NO x emission regulations for which manufacturers will provide offsets as necessary to maintain California’s emission targets. Isuzu Technical Center of America, Inc.;

Emissions 305
article thumbnail

Independent study confirms cost savings & emissions advantages for heavy-duty trucks running ClearFlame’s engine technology

Green Car Congress

ClearFlame Engine Technologies, a startup developing net-zero engine technology ( earlier post ), announced the publication of an independent study that finds ClearFlame’s technology could help fleet owners and other heavy-duty truck operators lower total costs while meeting sustainability goals sooner than currently available alternatives.

Emissions 370
article thumbnail

Bosch Engineering and Ligier Automotive present Ligier JS2 RH2 with hydrogen engine at Le Mans

Green Car Congress

Just a few months into a joint innovation project ( earlier post ), engineers from Bosch Engineering and Ligier Automotive have built a high-performance vehicle with a hydrogen engine. Ligier also optimized the mechanical components for use with hydrogen and led their overall integration into the new vehicle.

Engine 459
article thumbnail

Alpine unveils Alpenglow hydrogen-engined concept

Green Car Congress

Alpine, the exclusive sports car brand of the Renault Group, has unveiled the Alpenglow concept as a showcase for a clean emissions future that is within reach for tomorrow’s racing cars and future Alpine vehicle generations. The car is equipped with a hydrogen-fueled internal-combustion engine.

Hydrogen 448
article thumbnail

Cummins unveils 15L hydrogen engine

Green Car Congress

At the recent ACT Expo in Long Beach, California, Cummins debuted its 15-liter hydrogen engine. This engine is built on Cummins’ new fuel-agnostic platform, where below the head gasket each fuel type’s engine has largely similar components, and above the head gasket, each has different components for different fuel types.

Hydrogen 397