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Tomorrow’s world: future petrol engine tech news

By Tim Pollard Motor Industry 28 September 2009 14:15 Petrol engines are changing dramatically. You’ll have heard of the phrase 'downsizing' and most major manufacturers are shrinking their regular gasoline engines to trim emissions and fuel consumption – while employing new tech to keep up the horsepower and torque outputs. This is the holy grail for engineers: maintain the power and performance of the existing big capacity engines we’ve become wedded to, but in a smaller, more economical package.

Citroën Cactus concept with Air Bump technology confirmed for Frankfurt debut [w/Video]

Citroën's Cactus concept featuring a mysterious sounding 'Air Bump' technology will be taking center stage at the carmaker's stand at this year's Frankfurt motor show. The carmaker has released just one image of the concept along with a 21-second video (see left) showing a spongy panel labeled ‘Air Bump' being poked. Although this doesn't really tell us much about what this new technology actually does, we suspect the panels featured in the video are inserted into the bumper and can protect it from the smaller-scale collisions that can happen in everyday life.

One Lap of the Web: Forsberg can't stop, won't stop drifting

-- Jann Mardenborough won the "Nissan GT Academy" back in 2011 and since then has finished on the podium at the 24 Hours of Le Mans, as well as participating in the Infiniti Red Bull Racing driver program with aspirations of Formula One. He explains what it's like to move on from video games -- which he started playing at age 7 -- and transitioning into real sports cars. Mardenborough, it must be said, once drove too fast in British GT to be considered an amateur, but not quick enough to enter the pro class -- and race organizers, who didn't know what else to do, gave him a time penalty so the amateurs could catch up.