Clean Fuel Worsens Climate Impacts for Some Vehicle Engines

Auto-rickshaw

A pioneering program by one of the world's largest cities to switch its vehicle fleet to clean fuel has not significantly improved harmful vehicle emissions in more than 5,000 vehicles - and worsened some vehicles' climate impacts - a new University of British Columbia study finds. The study - which explores the impacts … Continue reading

Natural Gas

Natural Gas Hybrid Vehicle

Natural gas is a mixture of hydrocarbons, primarily methane (CH4) but also containing ethane and propane and other gases such as nitrogen, helium, carbon dioxide, hydrogen sulfide, and water vapor. Natural gas does have a high octane rating and excellent properties for spark-ignited internal combustion engines and is … Continue reading