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Allison Transmission Prepares to Manufacture New Hybrid Commercial-Duty Truck Drive Systems in Indianapolis

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dedicated a new hybrid drive system manufacturing plant in Indianapolis, Indiana. These buses had accumulated more than 192 million miles and saved 11.7 million gallons of diesel fuel resulting in the avoidance of over 116,000 metric tons of CO2 from being dispensed into the atmosphere. Allison Transmission, Inc. Earlier post.)

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Researchers map CO2 emissions for entire Los Angeles Megacity to help improve environmental policymaking

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The Los Angeles megacity—the third-largest metropolitan area in the world—occupies 4,850 square miles and houses more than 18.5 Other cities Gurney has mapped to this degree are Indianapolis, Salt Lake City and Baltimore. The results are published in Earth Systems Science Data. million people.

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Study: Reducing Future Transportation CO2 Emissions to Kyoto Protocol Levels Will Require Combination of Vehicle Technology and Smart Growth

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Percent change in median CO2 by scenario relative to 2000. Relative to SG1, SG2 results in higher urban populations and greater mean densities per census tract, as well as a larger number of tracts with densities of 10,000 people per square mile and higher. Stone et al. 2009) Click to enlarge. Stone et al.

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