For inspiration, take a look at a 33-acre (floor space) engine factory that opened 18 months ago in rural Dundee, Mich.

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He was just lying there by the engine block and the floor.

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Small, light cars need fancy suspension, the more so if they have a high floor and high centre of gravity to accommodate the engine.

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Toyota says it went to great lengths to cut vibrations and engine and wind noise by adding insulation in the floor and sound-deadening glass in the windshield.

WSJ: Hot Wheels: Toyota to replace aging Highlander SUV

When Palmer reached the 78th floor he reportedly radioed that numerous people had been killed and called for two engine companies to fight the pockets of fire he could see.

CNN: Report: Tape sheds light on WTC rescuers

Unlike many electric vehicle battery packs that are positioned in the floor of the vehicle, the Axeon pack has been designed to fit into the vehicle's engine bay in order to maintain ground clearance and wading height for this unique vehicle.

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The company also is developing four-wheel-drive technology that powers two wheels with an internal combustion engine and two with an electric motor, eliminating the need for a drive train that takes up floor space, Ho said.

NPR: China's Struggling Automakers Jump On SUV Boom