article thumbnail

Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

Green Car Congress

A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. Emission factors (EFs) from scooters and other vehicles.

Pollution 362
article thumbnail

EPA restores California’s authority to enforce greenhouse gas emission standards for cars and light trucks

Green Car Congress

The ACC program is a package of state regulations that set emissions standards for criteria pollutants and greenhouse gas (GHG) emissions for light-duty vehicles and a zero-emission vehicle (ZEV) sales mandate.

EPA 333
article thumbnail

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

Green Car Congress

Light-duty tires are typically made up of synthetic rubber, derived from crude oil, rather than natural rubber, together with various fillers and additives. Put another way, tires may release an extra sixty billion particles for every kilometer driven.

Exhaust 539
article thumbnail

Chalmers team develops optical nano-sensor for detecting pollution

Green Car Congress

Researchers at Chalmers University of Technology, Sweden, have developed a small, optical nano-sensor for pollution detection which can be mounted onto an ordinary streetlight. It arises when metal nanoparticles are illuminated and absorb light of certain wavelengths. A collaboration with the University of Sheffield is also underway.

Pollution 287
article thumbnail

Euro Parliament Environment Committee approves 147 g CO2/km target for light commercial vehicles by 2020; caps van speed

Green Car Congress

Members of the European Parliament’s Environment, Public Health and Food Safety Committee approved a draft law setting out rules for achieving a 147 g CO 2 /km (235 g/mile) target for new light commercial vehicles by 2020, down from 203 g/km (325 g/mile) today—i.e., The vote was 53 to 4 with 1 abstention.

2020 346
article thumbnail

Minnesota becomes latest state to adopt California clean car standards

Green Car Congress

Original map from Minnesota Pollution Control Agency. The low-emission vehicle (LEV) standard requires vehicle manufacturers to deliver passenger cars, trucks, and SUVs that produce lower greenhouse gas emissions and other pollutants for sale in Minnesota. The policy will implement two clean cars standards to reduce vehicle emissions.

Minnesota 488
article thumbnail

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

Green Car Congress

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. — Recommendations For Post-Euro 6 Standards For Light-Duty Vehicles In The EU.

Standards 247