article thumbnail

EPA to evaluate whether lead emissions from piston-engine aircraft endanger human health and welfare

Green Car Congress

The US Environmental Protection Agency (EPA) will evaluate whether emissions from piston-engine aircraft operating on leaded fuel contribute to air pollution that endangers public health and welfare. The agency plans to issue a proposal for public review and comment in 2022 and take final action in 2023.

EPA 315
article thumbnail

EPA proposes new heavy-duty truck emissions rules

Green Car Congress

The US Environmental Protection Agency (EPA) is proposing new, stronger standards to promote clean air and reduce pollution from heavy-duty vehicles and engines starting in model year (MY) 2027. This proposed rulemaking builds on and improves the existing emission control program for on-highway heavy-duty engines and vehicles.

EPA 434
article thumbnail

Cummins investing more than $1B in US engine manufacturing network

Green Car Congress

In addition to recent investments in Fridley, Cummins is investing more than $1 billion across its US engine manufacturing network in Indiana, North Carolina and New York. Over half of all medium- and heavy-duty trucks on the road in the US today use Cummins engines, the company said. The Cummins Power Systems factory is a 1.1

article thumbnail

FCA US LLC to pay ~$300M in criminal penalties over diesel emissions test cheating

Green Car Congress

liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel program’s goals, timing, and marketing strategy.

Emissions 344
article thumbnail

Study finds GHG emissions from corn ethanol now 46% lower than gasoline

Green Car Congress

A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. EH&E) and Adjunct Professor of Environmental Health at Harvard’s T.H. Scully et al.

Gasoline 493
article thumbnail

ClearFlame Engine Technologies hits multiple manufacturing, customer pilot, and fueling milestones

Green Car Congress

ClearFlame Engine Technologies, a company developing net-zero engine technology ( earlier post ), has hit a number of key milestones through multiple partnerships with customers, manufacturers, and fuel providers. Reviva has been providing quality remanufactured engines and engine components for more than 70 years.

Engine 273
article thumbnail

Argonne helps optimize piston bowl design for Caterpillar heavy-duty engines using high-performance computing

Green Car Congress

Argonne National Laboratory is helping Caterpillar improve efficiency and reduce emissions in their heavy-duty diesel engines. Heavy-duty diesel engines still power most large vehicles used in the construction, mining and transportation industries in the United States.

Design 459