RechargeIT

[6][7] Solar panels are used to generate the electricity, and this pilot program is being monitored on a daily basis and performance results are published on RechargeIT's website.

[13][14] Employees who use the biodiesel shuttle system to commute to work at Mountain View, have the GFleet vehicles available for their errands, off-site meetings, and emergencies.

The buses run on 5% biodiesel and are fitted with filtration systems that eliminate many harmful emissions, including nitrogen oxide.

Google is testing solar panels on some to power air circulation, so that shuttles can turn off their engines while they wait for passengers, thus reducing fuel use and emissions.

[8][9] As of mid-2011, Google estimated that its Gfleet and biodiesel shuttle system resulted in net annual savings of more than 5,400 tonnes of CO2, the equivalent of taking over 2,000 cars per day off the road, or avoiding 14 million vehicle miles every year.