The Government is set to spend £500m to encourage more drivers to use electric cars.
Under the proposals people can get grants of up to £5,000 towards the cost of an electric vehicle.
Deputy Prime Minister Nick Clegg will also set out £100m of extra investment in research and development to help the UK remain at the forefront of the new technology.
More top news
David Cameron will say the Tories are the party of the "grafters, roofers, retailers and plumbers" as he set out plans to help small firms
Lib Dem leader Nick Clegg will say his party are fighting '60 Eastleighs' on the campaign trail in the Hampshire constituency today.
The late Coronation Street actress Anne Kirkbride has been nominated for a British Soap Award.