3 ms·
A lot of older cars had excellent MPG figures but actually polluted more than current cars, especially diesels. Also, cars have largely gotten bigger and heavie
by frosted-flakes 5y ago
A lot of older cars had excellent MPG figures but actually polluted more than current cars, especially diesels. Also, cars have largely gotten bigger and heavier, which hurts efficiency.
- DoingIsLearning 5y ago> Also, cars have largely gotten bigger and heavier ... In the US/Canada. This is for the most part a self-contained cultural problem. SUVs/trucks numbers are a small percentage of the vehicles on the road elsewhere in the world, mostly because there is no space for them in the road/city infrastructure in most other places.
- frosted-flakes 5y agoSize is only one factor of weight. Safety improvements have also increased weight, even if the car stayed roughly the same size.