> (20% less weight = 20% less energy wasted pushing it, not to mention cost and reliability)
Unless the weight of the competing engine is 20% of the weight of the car plus payload, reducing the weight of the engine can't get you to 20% less weight.
Also, cost and reliability don't necessarily go up as weight goes down.
Comments
> (20% less weight = 20% less energy wasted pushing it, not to mention cost and reliability)
Unless the weight of the competing engine is 20% of the weight of the car plus payload, reducing the weight of the engine can't get you to 20% less weight.
Also, cost and reliability don't necessarily go up as weight goes down.