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Study on Greenhouse Gas Emissions from Global Cities Highlights Importance of Geophysical and Technical Factors

Green Car Congress

The metabolism of a city can be interpreted either primarily in terms of energy flows or more broadly including a city’s flows of water, materials, and nutrients. Data for some components are available, e.g., for urban transportation or electricity. A central concept in the scientific study of cities is that of urban metabolism.

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US DOE Awards $300 Million in Clean Cities Grants to Support Alternative Fuels, Vehicles, and Infrastructure Development

Green Car Congress

The vehicles and infrastructure being funded include the use of natural and renewable gas, propane, ethanol, biodiesel, electricity, and hybrid technologies. The program includes the installation of 10 alternative fuel refueling sites (two B20, one Electric Recharging, and seven CNG). Total DOE award: $15,000,000.