• Case study

    Seoul's Weekly No Driving Day program is improving air quality, congestion and saving energy. Every year, two million cars stay off the road – decreasing traffic volume by 3.7%. CO2 vehicle emissions are being reduced by 10% - a total of 2 million tons of CO2, delivering annual savings of $50 million USD in fuel costs. The improved air quality is also improving the health of residents, saving the City millions annually. The program works because it is applied during weekdays, which encourages people to use alternate modes of transport to and from work.

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  • Case study

    San Francisco is an established leader in low emission transport; it has one of the largest clean air municipal fuel fleets in the country. San Francisco’s accomplishments in the area of greening fleet vehicles include:

    • More than half of the city’s Municipal Railway (MUNI) fleet, consisting of buses and light rail, is comprised of zero-emission vehicles
    • More than 700 cleaner air vehicles (compressed natural gas, hybrid, electric)
    • More than 50 heavy duty vehicles on bio-fuel
    • 160 taxicabs are low-emission vehicles
    • Demonstration of 2 Honda FCX hydrogen-powered fuel cell vehicles through a lease arrangement - this vehicle technology produces no emissions other than pure water
    • 25 fire trucks and ambulances are currently running on biodiesel.
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  • Case study

  • Case study