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Study finds São Paulo switch from ethanol to gasoline dropped local ozone levels by 20%, increased CO and nitric oxide concentrations

Green Car Congress

A study by a pair of researchers at Northwestern University found that when fuel prices drove residents of São Paulo, Brazil, to switch from ethanol to gasoline in their flexible-fuel vehicles, local ozone levels dropped 20%. Ozone levels are relatively high in São Paulo, with hourly concentrations above 75 and 125 µg m ?3

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New EPA Rules Further Reduce HCFCs to Protect Ozone Layer

Green Car Congress

The US Environmental Protection Agency (EPA) has announced two final rules that will further reduce the availability and use of hydrochlorofluorocarbons (HCFCs), which are primarily used as refrigerants and harm the ozone layer. The 2010 HCFC Regulations.

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New Mexico adopts Clean Cars Rule

Green Car Congress

The coordinated package of regulations will reduce emissions of greenhouse gases and ozone- and smog-causing pollutants from new passenger cars, trucks, and SUVs starting in model year 2026.

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EPA proposes to include Southern Maine in the Federal Reformulated Gasoline Program

Green Car Congress

EPA is proposing , at the request of the State of Maine, to require the sale of reformulated gasoline ( RFG ) in York, Cumberland, Sagadahoc, Androscoggin, Kennebec, Knox and Lincoln counties in southern Maine starting in June 2015. The Maine legislature subsequently postponed the requirement for sale of RFG until 1 June 2015.

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NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel

Green Car Congress

VOCs, primarily emitted from the tailpipes of vehicles, are a key ingredient in the formation of ground-level ozone which, at high levels, can harm people’s lungs and damage crops and other plants. even though the fuel sale in California increased by about a factor of three over the same time period.

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EPA issues emergency fuel waiver for E15 sales

Green Car Congress

The Clean Air Act (CAA) requires the use of low-volatility gasoline during the summer months in order to limit the formation of ozone pollution. Volatility is the property of a liquid fuel that defines its evaporation characteristics.) Reid vapor pressure (RVP) is a common measure of and generic term for gasoline volatility.

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NY sets 100% ZEV sales goal for new LDVs by 2035, advances Advanced Clean Truck regulation

Green Car Congress

If adopted, the regulation would accelerate zero-emission truck sales, resulting in improved air quality statewide and in particular those communities disproportionately impacted by transportation-related pollution. million registered vehicles.

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