Tel: 020 8574 3232

The UK's bestselling electric car. Exempt from the congestion charge and parking charges in central London on all Westminster and City pay and display bays and parking meters. Onstreet recharging points have recently been unveiled in Westminster City Council, in addition to 48 free charging stations to be found in 13 of the council's car parks.

Tel: 0845 200 8000

Honda's hybrid car combines a petrol engine with an electric motor for greater fuel efficiency. Voted number one in the Environmental Transport Association's list of top 10 green cars.

Tel: 0845 275 5555

Sixtysix miles to the gallon, with the lowest CO2 emissions on the market. Offers the possibility to switch the car solely to electric power. A large family car which qualifies for the £700 Powershift grant to help offset the high purchase price of almost £18,000. Voted European car of the year by a panel of motoring journalists from 22 countries.