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Questions tagged [car]

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3answers
119 views

Mindset change in developing countries

I've travelled a bit in Africa, Middle East, and Asia. What strikes me, in all of these places, is that often in the most poverty-striken areas, things that people look up to are big cars, and ...
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1answer
310 views

How is NOx mg/km from diesel cars and trucks related to µg/m3 in the air?

There are two different limits for NOx / NO2 in Europe: 1) 80 milligrams NOx per km that a diesel car or truck drives: Euro 6 . (In some cities you can't drive a diesel that emits more than that.) 2)...
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2answers
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The more miles a car drives, the more economical battery packs become?

I was reading here: Here’s How Electric Cars Will Cause the Next Oil Crisis, that the more miles an EV drives, the more economical battery packs become. I don't understand this assertion. I see ...
7
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4answers
333 views

How to prevent older Diesel cars from emitting NOx, dust and smell?

I'm considering on buying an older car but I haven't decided if it should be gasoline or diesel powered. I would like to choose a diesel, but I'm considering the negatives: smoke smell NOx emisions ...
4
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2answers
110 views

How efficient are tiny cars compared to others?

I may be purchasing a new vehicle soon (still doing the whole cost-reward calculations). When looking for a new vehicle fuel efficiency was important to me, both for savings considering how much I ...
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3answers
86 views

Fuel efficiency when decelerating on a hill

Another efficiency question from me out of curiosity. Let's say that I am driving at a decent efficiency rate (say 40 MPG) and am coming up on a hill, with no cars immediately behind me or traffic ...