The man who invented the diesel engine more than a century ago knew vegetable oil would be a good fuel source.

FORBES: Veggie Oil Smells Better Than Diesel, But It's No Slam Dunk

Excluding the engine, where efficiency will reach Italian levels only when a new engine plant is opened, it takes around 21 man-hours to build a Palio in Betim, or about two hours more than it would at Melfi, the firm's most modern Italian plant.

ECONOMIST: A car is born

"I'd only been sitting in my BMW for 30 seconds with the engine running, so when the door was opened by a man in camouflage, I knew what was happening and stayed fairly cool, " he said.

BBC: Man plans to steal car as owner sat inside

That afternoon Kohestani and more than a hundred of his fellow officers were boarding buses when a man on a motorcycle pulled up and began revving his engine.

NPR: Taliban Using Iraq Insurgency Tactics in Afghanistan

And the man making this all possible, literally, the single engine, the piston that's driving this whole operation of making sure that we don't walk away from our cities, we don't walk away from this recovery, we don't -- we take the chances we're taking to generate growth here, is a man who came from a big city himself.

WHITEHOUSE: Talking Jobs with America��s Mayors

By meeting a useful man in 1941, he learned from scratch to fly four-engine aircraft.

ECONOMIST: Freddie Laker

The man, who has not been named, died when the single engine, single wing aircraft came down at the Army Aviation Centre in Middle Wallop.

BBC: Middle Wallop replica crash plane kills Horsham pilot

Bob Gwynne, associate curator of rail vehicles at the National Railway Museum in York - where the engine 'Flying Scotsman' is being restored - said the famous train came about because of one forgotten man.

BBC: Scotland