Daftydux@lemmy.dbzer0.com to Ask Lemmy@lemmy.worldEnglish · 2 days agoIf the the car that ran on water everybody's uncle told them about actually did exist how long until no fresh water?message-squaremessage-square50linkfedilinkarrow-up122arrow-down11
arrow-up121arrow-down1message-squareIf the the car that ran on water everybody's uncle told them about actually did exist how long until no fresh water?Daftydux@lemmy.dbzer0.com to Ask Lemmy@lemmy.worldEnglish · 2 days agomessage-square50linkfedilink
minus-squareAwesomeLowlander@sh.itjust.workslinkfedilinkEnglisharrow-up17·1 day agoAnnual petrol usage by cars: ~1.5 x 10^12 litres. Amount of water on Earth’s surface: 1.386 x 10^21 litres. Percentage of water used annually: 0.0000001% Number of years to deplete all water on earth’s surface: 1 x 10^9 years, aka 1 billion years. Minus a few million if we’re driving yo momma around.
minus-squaretrxxruraxvr@lemmy.worldlinkfedilinkarrow-up4·15 hours agoBy far most of that water is not fresh water though
minus-squareAwesomeLowlander@sh.itjust.workslinkfedilinkEnglisharrow-up3·15 hours agoThe conversion of saline into fresh water via the water cycle will be sufficient to keep the cars running, though maybe not humans. The proof is obvious and left as an exercise to the reader.
Annual petrol usage by cars: ~1.5 x 10^12 litres.
Amount of water on Earth’s surface: 1.386 x 10^21 litres.
Percentage of water used annually: 0.0000001% Number of years to deplete all water on earth’s surface: 1 x 10^9 years, aka 1 billion years.
Minus a few million if we’re driving yo momma around.
By far most of that water is not fresh water though
The conversion of saline into fresh water via the water cycle will be sufficient to keep the cars running, though maybe not humans. The proof is obvious and left as an exercise to the reader.
=)