Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

CAR tech: how much F1 is in the McLaren P1?

We're forever told racing tech makes for better road cars, but is that true, even in the case of the £866,000 McLaren P1? CAR tech looks at the similarities between Jenson Button's weekend racer and McLaren's hybrid supercar: Gives you wings A Formula One car wins or loses by its aero package – and the P1’s a true aero car with a mighty set-up. It has the highest amount of downforce of any road car on sale – so you couldn’t get closer to F1 with number plates if you tried.

SsangYong SIV-1 Concept heading for Geneva

Another new SsangYong Concept – the SsangYong SIV-1 – is heading for Geneva 2013 to join the new Rodius debut. SsangYong are heading to the 2013 Geneva Motor Show with a new version of the Rodius, which we’re hoping (although not with too much confidence) will be a big improvement on the very challenging looks of the current car. The hope that SsangYong will manage to deliver a Rodius that doesn’t frighten small children is boosted today with the first photos of a new concept from the Indian-owned Korean car maker – the SsangYong SIV-1 Concept (pictured above) – which will arrive at Geneva alongside the new Rodius.

Lexus Unveils Cleaner, Greener Compact Exec CT 200H

BUYERS seeking the often-mythical combination of premium ambience and supermini levels of economy can now look to the revised Lexus CT 200h. The Japanese firm has revised its compact exec hybrid for 2014 with a class-leading 82g/km CO2 rating and combined fuel consumption of 78.5mpg. No doubt Lexus hopes the changes will tempt an increasing number of business users to the CT.