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DTF: Diesel dominates commercial truck, transit and school bus fleets in US

Green Car Congress

of diesels on the road are 2007—meaning they are equipped with at least a diesel particulate filter. For gasoline vehicles that make up about a quarter of all commercial trucks (Class 3-8), more than half (57.5%) of those in operation are 2007 and newer model years. For the largest commercial trucks (Class 8), 62.5%

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Study estimates global black carbon emissions up 72% from 1960-2007; BC emissions intensity down 52%

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teragrams per year in 2007 (+72%). Historical annual BC emissions in the residential sector (A), industrial sector (B), and motor vehicles (C) from 1960 to 2007. Click to enlarge. A study led by a team from Peking University has estimated that global black carbon (BC) emissions increased from 5.3 teragrams/year in 1960 to 9.1

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New inventory of black carbon emissions from China finds 2007 levels higher than previously reported

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for year 2007. A new black carbon (BC) emissions inventory from China found BC emissions levels in 2007 of 1,957 Gg BC—higher than reported in earlier studies. 2007); and predicted national data from the National Long-term Development Plan (NLDP) (2008?2050). 2007 were used in this study. Credit: ACS, Wang et al.

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The Power Engineer Electrifying John Deere’s Tractors, Trucks, and More

Cars That Think

Singh grew up on a farm in India, and is committed to bettering agriculture’s future. Singh, a power-electronics engineer, has been working to replace the internal combustion engines used in the company’s equipment with hybrid (diesel-electric) and all-electric versions. as a staff engineer. as a staff engineer.

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EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

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In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1

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Purdue and Duke Energy to explore potential for SMR nuclear power source for campus

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Significantly smaller than traditional nuclear power plants, an SMR could meet current and future needs for Purdue’s West Lafayette campus as well as provide excess power to the state’s electric grid. Kettelhut professor of Civil Engineering and director of the Bowen Laboratory of Large-Scale CE Research. —Amit Varma.

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GM boosting investment at Spring Hill by $167M for two future mid-size vehicles

Green Car Congress

General Motors is adding a new $167-million investment in its Spring Hill assembly plant, brining the total spending on the plant to $350 million in support of two future mid-size vehicles. The new programs will add to existing manufacturing operations at the site that include vehicle assembly, stamping, engine and component parts production.

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