Green Car Congress

AUGUST 9, 2012

A scatter plot of CO, as a tracer for pollution, versus CO 2 , as a tracer for the amount of combustion, for 2002 and 2010. Even though the CO 2 enhancements over background were comparable in the two years, about 25 ppm in 2002 and 35 ppm in 2010, the ?CO/?CO2 The reason is simple: cars are getting cleaner. ppbv/ppmv to 10.7

Los Angeles 285

Los Angeles Gasoline Ozone 2002 285

Green Car Congress

AUGUST 28, 2011

The Pennsylvania Department of Environmental Protection (PA DEP) awarded $516,637 in clean diesel grants to four organizations. The clean diesel program’s goal is to improve air quality by decreasing emissions from diesel-powered transit bus and school bus fleets.

Pennsylvania 186

Pennsylvania Grant Clean Cleaning 186

Green Car Congress

JANUARY 27, 2015

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.) —ACES Review Panel.

Exhaust 150

Exhaust Diesel Engine 2007 150

Green Car Congress

MAY 16, 2011

Data collected during a major 2010 state-federal atmospheric research project show that the first-in-the-nation regulation requiring ocean-going vessels to use clean fuel when near the California coast has been extremely effective in reducing sulfur dioxide pollution from ships, according to the California Air Resources Board (ARB).

Pollution 186

Pollution California Clean Cleaning 186

Green Car Congress

SEPTEMBER 26, 2009

Additional diesel PM reductions in 18 major CA railyards with five new locomotive measures. While we are pleased to have already reduced diesel emissions at the rail yards, it’s not enough. Accelerating the introduction of cleaner new Tier 4 interstate line-haul locomotives to operate in California and other western states (2015-2025).

Diesel 170

Diesel California Emissions 2007 170

Green Car Congress

JANUARY 28, 2014

Compared to the 2010 “Business as Usual” scenario—which includes all adopted emission control measures for the South Coast—NO x levels must be reduced by 65% and by 75% to meet the 2023 and 2032 ozone standards, respectively. An 80% reduction of GHG emissions is targeted for 2050, relative to 1990 levels. Click to enlarge.

Climate 257

Climate Gas Emissions California 257

Green Car Congress

MAY 2, 2016

As the trend toward cleaner technologies with reduced exhaust emissions continues through the use of catalytic converters, diesel particulate filters (DPF), and improved fuels and engines, non-exhaust PM will soon surpass exhaust emissions and may well become dominant by 2020 both in terms of emissions and contributions to air quality.

Exhaust 150

Exhaust Emissions Belgium Gasoline-Electric 150