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.
Cruze is the first car in its class to have 10 standard air bags,â  side-impact and knee air bags help protect you and your front passenger, and a high-strength steel safety cage and roof-crush resistance surpass requirements.