Hydrogen, helium, ammonia, methane, neon, coal gas and pure nitrogen are all lighter than air. A pocket of air can be made lighter than the surrounding air by heating it. Continue Reading.
Related Questions. 1  Do 2015 Jeep Wrangler Sports have back air vents 1 answer I recently bought a 2015 Jeep Wrangler Sport and I am not sure if it has back air vents or not... If it does I can't seem to find them.
The Chevy Volt is a well-equipped, five-door, four-seat hatchback that operates as an electric car for its first 38 miles after a full charge and then uses gas to extend its range. It burns no gasoline during those first miles after a charge, drawing energy from a lithium ion battery pack.