2001 Cleaning Exhaust Standards 
Green Car Congress
MAY 24, 2017
Empa researchers Norbert Heeb and Maria Munoz discovered large quantities of benzo(a)pyrene (red bar)—a combustion product responsible for cutting short the lives of cigarette smokers—in the exhaust gas emitted by GDI engines. Levels in exhaust emissions were found to be as much as 1,700 times above this limit.
Green Car Congress
OCTOBER 6, 2015
g/bhp-hr optional Near Zero NO x Emissions standards for medium-duty truck, urban bus, school bus and refuse applications. Cummins Westport ISL G NZ exhaust emissions will be 90% lower than the current EPA NO x limit of 0.2 CWI natural gas engines have met the 2010 EPA standard for particulate matter (0.01 g/bhp-hr) since 2001.
Green Car Congress
MAY 1, 2017
Cummins Westport (CWI) announced its model year 2018 dedicated natural gas engines for regional haul truck / tractor, vocational and transit, school bus, and refuse applications at the Alternative Clean Transportation (ACT) Expo in Long Beach, California. NO x exhaust emissions are 90% lower than the current EPA NOx limit of 0.2
Green Car Congress
OCTOBER 14, 2016
Near Zero NO x Emissions standards eight years in advance of the 2023 California Near Zero NO x schedule and contributing to California Clean Air initiatives. Exhaust emissions of the ISL G NZ are 90% lower than the current EPA and ARB NO x limit of 0.2 g/bhp-hr) since 2001.
Green Car Congress
SEPTEMBER 9, 2011
These State Implementation Plans (SIPs) are the roadmaps to meeting the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) of 0.08 In 1997, EPA first established the 8-hour ozone standard, which replaced the older 1-hour ozone standard (0.12 In 2008, the 8-hour standard was lowered to 0.075 ppm.
Green Car Congress
MAY 7, 2010
The new options would reduce some economic and procedural impediments to clean alternative fuel conversions while maintaining environmental safeguards to ensure that acceptable emission levels from converted vehicles are sustained. Exhaust, Evap, and OBD testing 2. Exhaust and Evap testing + OBD attestation. Intermediate age.
Green Car Congress
FEBRUARY 5, 2014
A team at the International Council on Clean Transportation (ICCT) has released a paper assessing technical barriers to the use of higher blends of ethanol. Inventory of Federal Regulations Affecting Biofuels other than the Renewable Fuel Standard , Van Ness Feldman. Source: ICCT. Click to enlarge.
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