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Cummins ISL G NZ engine

Cummins Develops First MidRange Engine to Reduce NOx Emissions 90%

Cummins Westport’s ISL G Near Zero NOx natural gas engine is the first MidRange engine in North America to receive emission certifications from both the EPA and the California Air Resources Board that meet the 0.02 g/bhp-hr optional Near Zero NOx Emissions standards for medium-duty truck, urban bus, school bus … Read more »

GE logo

GE Delivers First EPA Tier 4 Emissions-Compliant Marine Diesel Engines

GE Transportation has announced the first delivery of its latest marine diesel engines to GE Marine distributor Cummins Mid-South. The new engines meet EPA Tier 4 and International Maritime Organization Tier III emissions standards, reducing nitrous oxide emissions by 70 percent when compared to EPA Tier 2 or IMO Tier II. … Read more »

EC Begins Proceedings Against Great Britain

The European Commission today launched legal proceedings against the UK for its failure to cut excessive levels of nitrogen dioxide. The EC said the UK has broken commitments and now faces fines in the hundreds of millions of pounds. European legislation sets limits on air pollution and the NOx limits … Read more »

$4M Funding Available to Improve Port Air Quality

The EPA has made available $4 million in grant funding to establish clean diesel projects aimed at reducing emissions from marine and inland water ports. Most of the country’s busiest ports are located near large metropolitan areas and, as a result, people in nearby communities can be exposed to high … Read more »

excavator

$2M Funding Available to Reduce Diesel Engine Pollution

The EPA has made available $2 million in funding for rebates to help public and private construction equipment owners replace or retrofit older diesel construction engines. Rebates will be offered as part of the Diesel Emission Reduction Act (DERA) and are intended to reduce air pollution. Older diesel engines emit … Read more »

gas-fired boiler

ClearSign Commercial Burner Retrofit Cuts NOx Emissions up to 90%

ClearSign Combustion says it has successfully demonstrated an 80 percent to 90 percent reduction in NOx emissions by retrofitting a conventional off-the-shelf commercial burner in a system designed to closely resemble a standard commercial firetube boiler. CEO Rick Rutkowski says the system demonstrates that ClearSign’s Duplex technology may be adapted … Read more »

MOL SCR system

MOL Tests NOx-Reducing SCR System

Mitsui O.S.K. Lines (MOL) says it will install a selective catalytic reduction (SCR) system on all three power generators of an MOL-operated oceangoing freighter for a demonstration test to ensure compliance with nitrogen oxides emissions rules. MOL, Yanmar and Namura Shipbuilding jointly developed the SCR system. This test will demonstrate … Read more »

ClearSign Burner Technology Sets NOx Abatement Record

ClearSign Burner Technology Sets NOx Abatement Record

Air pollution control technology company ClearSign Combustion says it has measured and documented a further 40 percent reduction in emissions of nitrous oxides (NOx), now down to 3 parts per million (PPM) from its previous record of 5 PPM announced just last month. This most recent demonstration was performed using … Read more »

Power Plants Cut CO2 Emissions 7% in Three Years

Power Plants Cut CO2 Emissions 7% in Three Years

US power plants cut emissions from nitrous oxides (NOx), sulfur dioxide (SO2) and CO2 in 2011 even as overall electricity generation increased, according to data from the Energy Information Administration and the EPA. In 2011, power plant NOx and SO2 emissions were 70 percent and 72 percent lower, respectively, than … Read more »

shipping emissions

Shipping Emissions ‘Rival CO2-Driven Ocean Acidification’

Shipping pollution from sulfur oxides (SOx) and nitrous oxides (NOx) along busy trade routes can equal carbon dioxide-driven ocean acidification, a study says. Sulfur in marine fuel oil and atmospheric nitrogen create SOx and NOx in the exhaust gases from ships. According to the research paper that will be published … Read more »

Port of Los Angeles Cuts Emissions As Much As 76%

Port of Los Angeles Cuts Emissions As Much As 76%

The Port of Los Angeles’ cumulative emissions have plunged as much as 76 percent while container volumes increased 6 percent between 2005 and 2011, according to new data. On a year-to-year basis, the Port of Los Angeles’ 2011 Inventory of Air Emissions shows a decrease up to 7 percent of … Read more »