Remove Emissions Remove Exhaust Remove MPG Remove Pollution
article thumbnail

Study finds NYC Clean Air Taxi rules successful in cutting pollution

Green Car Congress

New York City Clean Air Taxi rules are successful in cutting emissions and reducing air pollution, [link] to a new study by researchers at the Columbia University Mailman School of Public Health and Drexel University. mpg, and corresponding estimates of nitric oxide (NO) and total particulate (PM T ).

Taxi 249
article thumbnail

Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

Green Car Congress

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. According to the lawsuit, RAM owners report that efforts to fix the faulty emissions system significantly affect engine performance and mileage, with miles per gallon dropping as much as 25%.

article thumbnail

Renault introducing three Energy engines in the Mégane Collection 2012; fuel economy up to 67 mpg US

Green Car Congress

L/100km, equivalent to 67 mpg US. liters/100 km (67 mpg US) with CO 2 emissions of 90 g/km. The result is enhanced combustion and, consequently, lower fuel consumption and CO 2 emissions. liters/100km (44 mpg US) NEDC combined cycle, a saving of almost 1.5 CO 2 emissions are down to 119 g/km. Energy TCe 115.

article thumbnail

Upgraded diesel engine joins Honda Civic line-up in Europe

Green Car Congress

The new engine is one of the first units to be officially tested under the new Worldwide Harmonised Light Vehicle Test Procedure (WLTP) fuel consumption and emissions cycle, which comes into force this year. Honda has made significant improvements to the engine and the exhaust system to maximize real world performance. l/100 km (63.6

Honda 170
article thumbnail

ICCT: incremental technology can cut vehicle CO2 by half and increase fuel economy >60% through 2030 with ~5% increase in price

Green Car Congress

Starting from a baseline 26 mpg (9.04 l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 l/100 km) in 2025 and to 42–46 mpg (5.6-5.11 l/100 km) (under three scenarios) by 2030. Source: The ICCT. Click to enlarge.

article thumbnail

Citroën introduces first members of new 3-cylinder gasoline engine family; 1.0L and 1.2L PureTech reduce fuel consumption about 25%

Green Car Congress

The PureTech engines offer equivalent or better power compared with the previous generation powerplants, combined with significantly lower fuel consumption and greenhouse gas emissions, down by roughly 25%. mpg US) and CO 2 emissions range from 99 to 107 g/km. mpg US) and CO 2 emissions range from 99 to 107 g/km.

Engine 281
article thumbnail

EPA and ARB Present Proposals to Reconsider 2010 SCR Engine Certification Requirements

Green Car Congress

The California Air Resources Board (ARB) and the US Environmental Protection Agency (EPA) have presented preliminary proposals aimed at closing compliance loopholes for medium- and heavy-duty diesel engines using SCR-based NO x emissions control systems for 2011 and later model years. Tags: Emissions Heavy-duty Policy.

2010 186