Can you provide estimates of the improvement in PM10 emissions that can be expected from the following measures by 2010 and 2012: Introducing 56 hybrid buses to the London fleet by the end of February 2009; 300 new hybrid buses will join the fleet by March 2011, all new buses entering service in London being hybrids from 2012. Delivering eight hydrogen hybrid fuel cell buses in 2010. Funding of £1m to trial low carbon technology in London's taxi fleet. Introduction of a fuel efficient driving campaign aimed at both taxi and private hire drivers. Smoothing traffic flow. Introducing schemes to encourage motorists to leave their car at home and use more sustainable methods of transport (include the introduction a bike hire scheme to London). Establishing an Electric Vehicle Partnership to support greater uptake of electric vehicles.