article thumbnail

EPA proposes stringent new emissions standards for light-, medium-, heavy-duty vehicles for MY 2027 and beyond

Green Car Congress

The US Environmental Protection Agency (EPA) announced two new proposed federal emissions standards spanning light-, medium- and heavy-duty vehicles for model year 2027 and beyond. Together, the proposals would reduce oil imports by approximately 20 billion barrels.

EPA 210
article thumbnail

DOE releases draft guidance for Clean Hydrogen Production Standard (CHPS)

Green Car Congress

The US Department of Energy (DOE) released draft guidance for a Clean Hydrogen Production Standard (CHPS), developed to meet the requirements of the Bipartisan Infrastructure Law (BIL), Section 40315. The CHPS is not a regulatory standard, and DOE may not necessarily require future funded activities to achieve the standard.

Clean 396
article thumbnail

EPA finalizes ICAO-aligned GHG emissions standards for aircraft; “no costs and no emission reductions”

Green Car Congress

The US Environmental Protection Agency (EPA) finalized greenhouse gas (GHG) emissions standards for airplanes used in commercial aviation and large business jets. This action will align US standards with the international carbon dioxide emissions standards already set by the International Civil Aviation Organization (ICAO).

EPA 221
article thumbnail

GM and EDF announce recommended principles on EPA emissions standards for Model Year 2027 and beyond

Green Car Congress

General Motors and Environmental Defense Fund announced a set of recommendations that seek to accelerate a zero-emissions, all-electric future for passenger vehicles in model year 2027 and beyond. The recommendations were jointly developed by GM and EDF to support the next tier of EPA clean car standards.

EPA 186
article thumbnail

New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.

Exhaust 539
article thumbnail

ICCT makes recommendations for post-Euro 6 light duty vehicle emissions standards

Green Car Congress

The European Commission has begun work aimed at post-Euro 6 emission standards for on-road vehicles. The paper highlights issues and limitations of the current standards; compares them to current and future regulations in other parts of the world; and makes policy recommendations for light-duty post-Euro 6 standards.

Standards 247
article thumbnail

Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion. from 16.5)

Engine 368