These are our Top 10 Green four-wheel drive cars; they are mostly road-biased crossovers but there are also some very capable off-roaders, and all return more than 40 mpg. 

Drayson Racing Technologies and Lola Group today unveiled the 850 hp electric-powered Le Mans prototype racing car, the Lola-Drayson B12/69EV, at the 2012 MIA Low Carbon Racing Conference at the NEC.

These are the Green-Car-Guide highlights of 2011, ranging from driving up the hill at the Goodwood Festival of Speed with Red Bull F1 team boss Christian Horner in an Infiniti M35 hybrid, to seeing if a 50 mpg Range Rover Evoque can still get up a mountain…

The final production version of the world’s first diesel plug-in hybrid, the 150 mpg Volvo V60, has been unveiled, and its price has been announced; read the story and watch the video.

Thinking of buying an electric car? Here are the financial incentives for electric vehicles that you need to know about, including the Plug-in Car Grant, tax incentives and running costs.

Petrol, diesel, hybrid, plug-in hybrid, electric, extended-range electric – which green car technology is best for you?

The Delta E-4 Coupe is an electric car designed by the same motorsport engineering company that builds the Lotus Elise-based 1200 hp Hennessey Venom GT – so you’d expect the E-4 Coupe to be more exciting than the average electric car.

What will provide the best traction up an icy hill? - a four-wheel drive car with standard tyres, or a two-wheel drive car with winter tyres?

The ‘greenness’ of a car is currently based on its ‘tailpipe’ CO₂ emissions; however this doesn’t allow for the CO₂ in its manufacture; so is a rating based on the entire CO₂ produced over a vehicle’s lifetime, including manufacture, a better idea?

A number of common questions about green cars, that originated from the public and the RAC Foundation, were fired at a panel on stage in the Regent Street Motor Show following the RAC Future Car Challenge; here are our answers.