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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.

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MAN Engines approves off-road engines for use with regenerative diesel/HVO

Green Car Congress

According to MAN Engines, all MAN off-road engines from the current product portfolio can be operated with regenerative diesel—also known as HVO (hydrogenated vegetable oil)—in accordance with the EN15940 standard in Europe or the US specification ASTM D975. Marine engines for regenerative diesel have already been approved.

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Volkswagen continues to optimize its EA888 workhorse engine; fourth evolution in 2022 Golf GTI and R

Green Car Congress

Volkswagen has continued to evolve its small displacement turbocharging technology with each new engine generation. In 2022, the fourth evolution of the EA888 pushes state-of-the-art turbocharged engine design further still; it is one of the most advanced Volkswagen engines ever built. 1 for the Golf R and 9.6:1 1 for the GTI.

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Volvo Penta launches the D17, its most powerful genset engine

Green Car Congress

Volvo Penta has expanded its genset range and launched its most powerful engine to date with the introduction of the D17. The new power generation 17-liter engine delivers exceptional power-to-weight ratio from the same footprint as the proven, compact D16.

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EPA collects penalties for alleged automobile ‘defeat device’ violations by two Iowa companies

Green Car Congress

The US Environmental Protection Agency (EPA) has reached settlements with two Iowa companies for allegedly tampering with car engines to render emissions controls inoperative, in violation of the federal Clean Air Act. According to EPA, Menzel Enterprises Iowa Inc.

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Eaton and Tenneco partner to produce new, integrated exhaust thermal management system to meet coming lower NOx standards

Green Car Congress

Power management company Eaton and Tenneco announced a joint development agreement between Eaton’s Vehicle Group and Tenneco’s Clean Air business group to produce an integrated exhaust thermal management system that will enable commercial truck and light vehicle manufacturers to meet upcoming emissions regulations.

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UC Riverside team wins EPA design contest with lawnmower exhaust aftertreatment device

Green Car Congress

A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. The device, with the stainless steel mesh filter and catalyst support structure detached.

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