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Has anyone taken the SASB FSA exams? Any advice?
Hi there! Anyone from Quantis willing to chat?
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Interesting question. I just read articles to learn more about the topic and here are the main ideas on why lower speeds can reduce fuel consumption.
Yes, it depends on your car and how old it is but…
•According to Natural Resources Canada, driving a vehicle with an internal combustion engine at 120 km/h burns 20 per cent more fuel than driving the same distance at 100 km/h.
•This is mostly caused by the fact that when a car travels at a lower average speed, the wind resistance decreases and therefore the car requires less energy.
•Certain pollutants such as nitrogen oxides are generated mainly at higher speeds.
•It's not just your maximum speed that counts but how often and how much you speed up and slow down, as a result of things like congestion and traffic control (If a speed limit is set at 70 km/h, cars try to accelerate to that speed at a green light, cruise very briefly at 70 km/h, then rapidly decelerate at the next red light. If the speed limit is 40 km/h, there's a lot less acceleration and deceleration.)
•Lower speed limits have indirect climate benefits, too. Outside of highways, they can discourage car travel and, by making streets safer, encourage walking and cycling 🚲.
Sources: https://www.cbc.ca/news/science/what-on-earth-speed-limits-climate-change-1.5684677
https://www.eea.europa.eu/themes/transport/speed-limits-fuel-consumption-and
Happy to learn more from other. It’s just a quick summary of what I just read…
How interesting, thank you!