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.
Coming in at $500 less than the Forte sedan and hatchback, the Forte Koup is the most affordable car you can get with ventilated seats. Just like the other two Fortes, you have to get the EX model of the two-door and add on the Premium package, which brings the total cost of the car up to $23,315. Share. Tweet.
The Suburban has a maximum 137.4 cubic feet of cargo room; the Expedition has 108.3 cubic feet, and the more carlike-riding Chevrolet Traverse has 116.3 cubic feet. Most minivans offer 140 to 150 cubic feet of total cargo space with the seats folded or removed.