Question

With fuel prices for combustible engine automobiles increasing, researchers and manufacturers have given more attention to the concept of an ultralight car. Using carbon composites, lighter steels and plastics, a fuel-efficient car can be manufactured at 540 kg. How much less does an ultralight car weigh compared to a 1450-kg Honda Accord ?

Answer 1

An ultralight car weighs less than Honda at $910kg$ or at $\frac{1450-540}{1450}100\%\approx63\%$