Green Car Congress
OCTOBER 30, 2014
A study published earlier this year in the journal Nature Climate Change that cast doubt on whether biofuels produced from corn residue could meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions by 60% compared to gasoline ( earlier post ) has drawn critical response published as correspondence in the same journal.
Green Car Congress
MAY 5, 2014
Warmer temperatures and other changes in the atmosphere related to a changing climate, including higher atmospheric levels of methane, spur the chemical reactions that lead to ozone. To examine the impacts of climate change on ozone pollution, NCAR scientist Gabriele Pfister and her colleagues looked at two scenarios.
Green Car Congress
AUGUST 25, 2009
The largest global oil shale deposits—estimated to be equivalent to 1,500 Gbbl oil equivalent—are found in the Green River formation of Colorado, Utah, and Wyoming. For comparison, upstream consumption for reformulated gasoline produced from conventional oil is ~0.2-0.25 MJ upstream. MJ/MJ fuel.
Green Car Congress
SEPTEMBER 7, 2009
They calculated emissions for ten cities (or metropolitan regions), which vary in population from 432,000 to 9,519,000; comparisons are in per capita terms. Timothy Hillman, University of Colorado. Anu Ramaswami, University of Colorado. Tags: Climate Change Emissions Lifecycle analysis. Megacity Urban Metabolism.
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