Remove Automobile Remove Ozone Remove Resource Remove Universal
article thumbnail

Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

Green Car Congress

Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone. —Jin et al.

Ozone 150
article thumbnail

Study finds significant slowdown in decrease of NOx emissions in US; implications for air quality management

Green Car Congress

They found that levels of pollutants that can contribute to the formation of ground-level ozone, or smog, have failed to continue a fairly steady decline as estimated by the US Environmental Protection Agency. These results show that meeting future air quality standards for ozone pollution will be more challenging than previously thought.

Emissions 150
article thumbnail

Reduction in diesel carbonyl emissions using F-T fuel from coal

Green Car Congress

lower ozone formation potential of the carbonyl compounds present than DF under the identical operating conditions. In addition, there was an 18.0–35.8% reduction in total carbonyls and a 3.4–100% 100% drop in individual carbonyls in the constant load/varying speed test mode. CFT had 16.5–44.1% —Hao et al. 2014.05.025.

Coal 210
article thumbnail

UMD-led study finds China’s SO2 emissions down 75% since 2007, India’s up 50%; India may now be the top SO2 emitter

Green Car Congress

Although China and India remain the world’s largest consumers of coal, a new University of Maryland-led study found that China’s sulfur dioxide emissions fell by 75% since 2007, while India’s emissions increased by 50%. The results suggest that India is becoming, if it is not already, the world’s top sulfur dioxide emitter.

India 170
article thumbnail

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Green Car Congress

The 1979 Iranian crisis and related oil price shock accelerated Brazil’s conversion of its gasoline supply and automobile fleet. Automobile manufacturers were given tax breaks to produce cars that ran on hydrous ethanol, and, by 1980, every automobile company in Brazil was following this lead. 40 CFR § 80.27 40 CFR § 80.27(d)

article thumbnail

New Comprehensive Lifecycle Energy and Emissions Inventory Includes Non-Operational Components; Large Aircraft Can Perform Better than Light Rail

Green Car Congress

Mikhail Chester and Arpad Horvath inventoried on-road, rail, and air travel to determine energy consumption, greenhouse gas (GHG) emissions, and criteria air pollutant (CAP) emissions (excluding PM, lead, and ozone due to lack of data). Chester and Horvath (2009). Click to enlarge. Chester and Horvath.

Light 150
article thumbnail

House Chairmen Waxman, Markey Release Draft of Energy and Climate Legislation; Among the Many Provisions Are Cap-and-Trade, Harmonization of CAFE and California Vehicle Regulations, and Low Carbon Fuel Standard

Green Car Congress

The draft establishes a new energy efficiency resource standard to enlist electricity and natural gas distribution companies in the effort to make the nation more energy efficient. The draft adds HFCs to the list of similar substances that EPA currently regulates because they deplete the ozone layer. Utilities Energy Efficiency.

Climate 186