Opinion: Why it’s time to raise the speed limit in Australia to 130km/h
Opinion: Why it’s time to raise the speed limit in Australia to 130km/h
We can and should be allowed to drive faster on our freeways and motorways; but don’t think governments will let it happen overnight.
cross-posted from: https://aussie.zone/post/1198065
We can and should be allowed to drive faster on our freeways and motorways; but don’t think governments will let it happen overnight.
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The faster you go above 80 you use exponentially more energy. Invest in public transport you knobs.
You don't use exponentially more fuel, but cubically. Exponentially is not just a word for "quickly", but a function.
And anyways, that isn't only the case for speeds higher than 80, but for every higher speed. So it's not like there is an objective sweet spot.The 80 kph rule of thumb is actually part of the design parameters of most regular cars. They are built to be most fuel efficient at 80 (or probably more accurately aerodynamic designed for 80).
I was using exponential colloquially (and fair cop given its usage during Covid), but I think you're just using cubic as a rough guide also due to air resistance. I'd note there are no extra gears at the higher speeds, so you're probably less efficient on the tyres etc.
I didn't know about that. Thanks, that's interesting! Sorry if I sounded a little condescending, I didn't intend to.