Green Car Congress
JULY 10, 2009
Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways.
Green Car Congress
NOVEMBER 29, 2010
Among the non-CO 2 pollutants are hydrofluorocarbons (HFCs), methane, tropospheric ozone, and black carbon soot. Technology is already available to reduce these climate-forcing agents, and doing so would produce strong collateral benefits. Reducing tropospheric ozone can improve public health as well as agricultural productivity.
Green Car Congress
OCTOBER 14, 2009
HFCs are powerful greenhouse gases originally developed as substitutes for ozone-depleting chemicals. A binding legal agreement exists that can cut HFCs now—the Montreal Protocol ozone treaty—and many alternatives to HFCs have already been developed and are waiting for the right regulatory incentive from the Montreal Protocol to be deployed.
Green Car Congress
SEPTEMBER 25, 2016
The costs of transition are generally favorable compared to other available CO 2 reduction technologies for motor vehicles. MAC technology and equipment is generally of a commodity nature and is available through third-party suppliers to any vehicle manufacturer.
Green Car Congress
APRIL 2, 2009
The on-road transportation (ORT) and power generation (PG) sectors are major contributors to CO 2 emissions and a host of short-lived radiatively-active air pollutants, including tropospheric ozone and fine aerosol particles, that exert complex influences on global climate. Unger et al. Click to enlarge.
Green Car Congress
MARCH 8, 2013
R134a replaced CFC-12 as the MAC refrigerant in the early 1990s due to the negative impact of CFCs on the Earth’s ozone layer. It has a high cooling capacity and is available worldwide at low cost in the required qualities. CO 2 is an A1 refrigerant, indicating minimal toxicity and non-flammability.
Green Car Congress
SEPTEMBER 2, 2009
Enhanced weathering – this technique, which utilizes naturally occurring reactions of CO2 from the air with rocks and minerals, was identified as a prospective longer-term option. However, there are some serious questions over adverse effects, particularly depletion of stratospheric ozone.
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