I’m thinking about similar situations e.g. the war of the currents with AC and DC or the format wars with various disc formats where one technology was deemed superior and “won” in the end, phasing the other one out. How come we still have two competing fuels that are so different?
In: Engineering
In addition to the good answers given about diesel and petrol both being having different uses, you referenced AC vs. DC power, suggesting that AC “won.”
Like the petrol v. diesel answer, DC is similarly used in many things, including cell phones, computers, LED lights, batteries, and more. Yes, power outlets in the wall supply AC, but that block in your computer’s power cord, or the little thing you plug into the wall that your phone’s USB cable connects to are adapters that convert the AC power to DC. Again, different uses for different needs.
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