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Study finds that replacing older, highly polluting school buses could lead to 1.3 million fewer daily absences annually

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Applying their results nationwide, the researchers extrapolated that replacing all pre-2000 model school buses would lead to more than 1.3 The EPA set out to hasten the transition of school bus fleets to cleaner vehicles in 2012 with its School Bus Rebate Program. million additional days of attendance a year. The program is ongoing.

Pollution 170
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Study finds that worldwide SO2 emissions rose between 2000-2005 after decade of decline; China, shipping topped growth

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Global sulfur dioxide (SO 2 ) emissions peaked in the early 1970s and decreased until 2000, with an increase in recent years due to increased emissions in China, international shipping, and developing countries in general, according to a new analysis appearing in the open access journal Atmospheric Chemistry and Physics. Credit: Smith et al.

2005 186
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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

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in 2018 (2000-2018 average year-over-year increase is 6.8%), continuing the increasing trend as they replace Ozone Depleting Substances (ODS) being phased out under the 1987 Montreal Protocol. Per capita GHG emissions in California have dropped from a 2001 peak of 14.0 tons per person to 10.7 tons per person in 2018, a 24% decrease.

2020 221
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IC Bus CE series with PSI 8.8L propane engine available for order

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The CE series PSI heavy-duty propane engine offers a cleaner, quieter and more user-friendly alternative to diesel that won’t sacrifice power, torque or durability. 2000 rpm (lb-ft). is compatible with the commercial-grade Allison 1000, 2000 and 3000 powertrains, and uses the same diagnostic system regardless of fuel or power needs.

Available 150
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UCS analysis finds Hyundai-Kia with best sales-weighted new vehicle environmental performance in US in 2013

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For the first time since UCS began the Automaker Rankings report in 2000, all eight major automakers reduced their average greenhouse gas (GHG) and smog-forming emissions compared to their fleet averages from 1998, the model year examined in the first report. Source: UCS. Click to enlarge.

2013 299
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Forecast: US biodiesel production to surpass RFS target for second straight year

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The RFS aims to reduce oil imports and cut back auto emissions with cleaner-burning fuels such as cellulosic ethanol, biomass-based diesel, and sugar-cane-based ethanol. In addition, the Port Authority of New York and New Jersey has been operating on B20 since 2000. billion gallons of renewable fuel.

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GCP Carbon Budget Finds Anthropogenic CO2 Emissions Rose 2% in 2008 Despite Global Financial Crisis; Natural Sinks Not Keeping Pace With Increasing Emissions

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The authors, under the umbrella of the Global Carbon Project , reported a 29% increase in global CO 2 emissions from fossil fuel between 2000 and 2008 (the latest year for which figures are available), and by 41% between 2008 and 1990, the reference year of the Kyoto Protocol. between 2000 and 2008, compared with 1% per year in the 1990s.

2008 218