article thumbnail

New analysis suggests Uber adding significantly to pollution and traffic in European cities

Green Car Congress

Uber is adding more polluting car trips to already-clogged European cities such as London and Paris, new analysis by European NGOs suggests —contributing to air pollution and climate change and exploding the company’s sustainability claims. Source: “Europe’s giant ‘taxi’ company: is Uber part of the problem or the solution?”.

Pollution 493
article thumbnail

Greyrock, NREL study determines reduction in GHG and criteria pollutant emissions from using synthetic fuels produced from flare gas

Green Car Congress

A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas. billion liters (18.8

Pollution 258
article thumbnail

Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

Green Car Congress

As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance. Yamasaki, Y.,

Mazda 186
article thumbnail

FCA recalls 850,000+ gasoline vehicles due to problem with catalytic converters

Green Car Congress

Fiat-Chrysler of America (FCA) will recall more than 850,000 gasoline-powered passenger cars and SUVs due to a problem with their catalytic converters. NO x emissions in California are the most important contributor to ambient ozone and a key contributor to fine particulate matter pollution (PM 2.5 2015/16: Q4 2019.

Convert 236
article thumbnail

Ice core data show why air pollution is dropping more slowly in US and Western Europe despite lower sulfur emissions

Green Car Congress

Low-sulfur gasoline standards and regulations on power plants have successfully cut sulfate concentrations in the air, reducing the fine particulate matter that harms human health and cleaning up the environmental hazard of acid rain. The air in the United States and Western Europe is much cleaner than even a decade ago.

Pollution 221
article thumbnail

PSA Group outlines powertrain production strategy: gasoline PHEVs, EVs and next-gen diesel and gasoline engines

Green Car Congress

As part of the energy transition process and in line with the technological offensive spelled out in its Push to Pass strategic plan ( earlier post ), PSA Group will focus on diversifying its offerings with plug-in hybrid gasoline systems and next-generation electric powertrains. Earlier post.) Earlier post.).

Gasoline 150
article thumbnail

Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

Green Car Congress

The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). Their study is publishedin the ACS journal Environmental Science & Technology. 7b05641.

Gasoline 253