[facedown]

Perhaps best of all, it consumes no energy doing it.

I'm guessing the writer was not a science major.

[21twelve]

He’s lousy at math too.

Use 20% of battery capacity going up.
Gain 10% going back down.

“It consumes no energy at all!”

[Leaning Right]

> I’m guessing the writer was not a science major. <

That article is par for the course these days. Modern science is now based on personal opinions and gut feelings. No need for anyone to sit down and consider the facts of the matter. Global Warming is a perfect example of that.

[Revel]

And of course this only works because of all the energy expended to load and unload the dump truck. And a large supply of Fill at the top that was left by nature. Among other considerations. It is still a neat set up that works for this unique situation.

[atc23]

or an engineering grad student

[shanover]

Our society is generations away from coming close to fading from the petroleum life blood of our world.

[Okieshooter]

“I’m guessing the writer was not a science major.”

I’m guessing he didn’t pass elementary school math or science.

[DUMBGRUNT]

I’m guessing the writer was not a science major.

Clearly a safe bet.