There has been a huge rise in the number of motorists buying electric and hybrid cars in 2015, new figures show.
Some 20,992 motorists bought a so-called "plug-in" vehicle between January and September, up 139% on the same period last year.
The figures were released by Go Ultra Low, a campaign for plug-in vehicles backed by the Department for Transport and the Society of Motor Manufacturers and Traders.
Head of Go Ultra Low, Poppy Welch, said: "The growth in plug-in car registrations is excellent news and in line with our expectations.
"This trend should continue over the course of this year as we know that motorists are keen to achieve maximum miles for the lowest cost, while minimising emissions and environmental impact."
There are more than 27 pure electric or plug-in hybrid cars on the market in the UK.
Mitsubishi's flagship Outlander PHEV is the most popular so far this year, with 9,303 models sold.
Nissan is second with its all-electric Leaf racking-up 4,285 registrations, while BMW's i3 is the nation's third most popular ultra low emission vehicle at 1,564 models sold.
The proportion of new car registrations that are ultra low emission models is at 1% so far this year, up from 0.44% in the same period last year.
The Government wants this figure to reach 5% by 2020.
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