The designation “Partial Zero Emissions Vehicle” (PZEV) has many people perplexed. Certainly, childhood math would tell us there is no such thing as “partial-zero.” But while most of us are scratching our heads, PZEVs are quickly becoming the norm in gasoline vehicles. In fact, by 2025 all cars sold in America will be PZEVs. But what does this strange designation mean?
A new study released this week shows that levels of air pollution that the U.S. Environmental Protection Agency deems safe may not be safe enough. The study, conducted by researchers at the Harvard T.H. Chan School of Public Health, found that long-term exposure to airborne fine particulate matter (PM 2.5) and ozone — even below current standards established by established by the EPA — increases the risk of premature death.
DuPont breaks ground on a new cellulosic biorefinery that will use discarded corn stover waste to create 30 million gallons of biofuel a year. It’s a model they hope will spread around the world.
Have a look at our most popular fuel related posts of 2012. Thanks for your support and happy holidays from Sustainable America!
Qatar Airways is planning to use domestically abundant natural gas to power it’s whole airline fleet as soon as late 2013.