article thumbnail

Siemens and Cummins partner to provide diesel-electric EPA Tier 4 passenger rail locomotives in US

Green Car Congress

Siemens Rail Systems and Cummins are partnering to bring EPA Tier 4 compliant locomotives to market. The locomotives will also deploy an exhaust aftertreatment system purpose-designed for locomotive installations, using Selective Catalytic Reduction (SCR) technology. Click to enlarge.

EPA 301
article thumbnail

MAN Engines approves off-road engines for use with regenerative diesel/HVO

Green Car Congress

The approval applies to all off-road engines for the current EU Stage V and EPA Tier 4 emission standards and below. Above all, regenerative diesel ensures clean combustion with up to 90% less greenhouse gas emissions in the exhaust gas compared to conventional diesel. Marine engines for regenerative diesel have already been approved.

Engine 221
article thumbnail

Mercedes-Benz 2014 E250 BlueTEC sedan estimated EPA rated at 45 mpg highway, 28 mpg city

Green Car Congress

The Mercedes-Benz 2014 E250 BlueTEC sedan, the first diesel E-Class to be available with 4MATIC, achieves an estimated EPA rating of 45 mpg US (5.2 No other diesel sedan offers a better EPA fuel economy highway estimate, Mercedes-Benz notes. l/100 km) on the highway and 28 mpg (8.4 l/100 km) in the city. l/100 km) in the city.

MPG 230
article thumbnail

DHE begins piloting Volvo VNR Electric heavy-duty trucks in SoCal fleet

Green Car Congress

In addition to zero tailpipe emissions, the Volvo VNR Electric trucks simplify maintenance and improve working conditions for drivers by offering state-of-the-art responsiveness, a quieter cab free of engine-related vibrations, and by eliminating exposure to diesel fuel and exhaust.

Volvo 307
article thumbnail

EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

Green Car Congress

In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 Tg or million metric tons CO 2 equivalent.) Field production.

2007 285
article thumbnail

New SoCalGas truck loan program for fleets interested in switching from diesel to near-zero natural gas trucks

Green Car Congress

NO x exhaust emissions are 90% lower than the current EPA NO x limit of 0.2 g/bhp-hr, and the engines also meet or exceed the 2017 EPA greenhouse gas (GHG) emission requirements. CWI natural gas engines have met the 2010 EPA standard for particulate matter (0.01 g/bhp-hr) since 2001. g/bhp-hr optional standard.

Gas 252
article thumbnail

J.D. Power and Associates study finds EPA emission-compliant heavy-duty engines yielding increase in engine problems, decline in satisfaction

Green Car Congress

Satisfaction is measured based on eight key factors: engine reliability and dependability; engine warranty; acceleration when fully loaded; electronic control module; accessibility to components for service or maintenance; vibration at idle; maintaining speeds on grades; and average fuel economy. Overall Scores. Based on scale of 1,000).

Engine 268