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Green Car Congress
APRIL 18, 2023
Chevron (as well as fellow oil major ExxonMobil) has been developing co-processing—adding biomass-derived feedstocks to the fossil-based feedstocks of existing petroleum refinery process units—as a way to produce fuels with increased renewable content more cost-effectively.
Green Car Congress
NOVEMBER 13, 2010
The global natural gas vehicle fleet has grown rapidly in the last 10 years, but still represents less than 1% of global transport fuel consumption. gas sources, such as biogas or bio-synthetic gas. gas sources, such as biogas or bio-synthetic gas. Click to enlarge.
Green Car Congress
APRIL 10, 2012
Technology warming potential (TWP) for three sets of natural gas fuel-switching scenarios. (A) A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. Source: Alvarez et al. Click to enlarge.
Green Car Congress
JULY 3, 2015
An 80% reduction in US greenhouse gas (GHG) emissions by 2050 has been generally established as the de facto required domestic contribution to stabilizing global concentrations at low to medium levels, that is, 450 and 550 ppm carbon dioxide equivalent (CO 2 -equiv). Renewable and nuclear electricity supply technologies are available today.
Green Car Congress
MAY 19, 2021
Most of the global reductions in CO 2 emissions between now and 2030 in the net zero pathway come from technologies readily available today. New energy security challenges will emerge on the way to net zero by 2050 while longstanding ones will remain, even as the role of oil and gas diminishes.
Green Car Congress
SEPTEMBER 15, 2009
Greenhouse gas and fuel economy levels under the EPA NHTSA joint proposed rulemaking. The proposal builds upon the core principles President Obama announced in May for a harmonized national policy intended to reduce fuel consumption and greenhouse gas (GHG) emissions for all new cars and trucks sold in the US.( Click to enlarge.
Green Car Congress
JULY 17, 2015
The combination of harvesting whole forests and burning long-sequestered carbon sources such as coal or oil has impaired the Earth’s carbon cycle at an increasing pace. Gasoline/diesel fueling stations to replenish the liquid fuel for these engines are readily available. These concepts can all be integrated by broader design concepts.
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