Category Archives: eco

eco: YouTuber hypes Plasma Kinetics hydrogen nonsense

Hydrogen, the clean fuel of the future (as long as you ignore the problems of making it cleanly, distributing it, and storing it, and its inevitably worse efficiency than electrifying all the things) keeps getting hyped by people who choose … Continue reading

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eco: let me de-junk my order!

When you order stuff, you get unwanted crap. Why send me stuff that costs a non-zero amount that I’m immediately going to throw away or struggle to recycle!? order food for takeout or delivery, you get sauce packets, chopsticks, plastic … Continue reading

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eco: the big lie of recycling triangles

There’s a wave of articles about the plastic recycling problem, with predictable photos of mountains of plastic trash; Treehugger: Don’t Believe the ‘Store Drop-Off’ Label When It Comes to Plastic Packaging NPR: How Big Oil Misled The Public Into Believing … Continue reading

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cars: Tesla Model S Plaid is a bargain at $131,000

The Tesla Model S Plaid is crazy. Nitpicking fans are arguing over whether 0-60 in 2 seconds (!) is real because 1-foot rollout and special pavement blah blah, but Motor Trend managed to do it and found: Faster projected quarter-mile … Continue reading

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eco: energy storage is hard, gravity storage as a game

How much energy does it take to raise 1 tonne 100 meters into the air (the height of a 23 story building)
⟶ 1 tonne * gravity * 100 meters = 0.27240694 kWh… 1/4 of a kWh doesn’t look like the path to riches! Continue reading

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eco: reviving an IKEA Jansjö light

The IKEA Jansjö was amazing 12 years ago, a cheap bright LED lamp when others cost $150. It was $40 (went down to $15 and now may be discontinued). But the switches on them were awful. Both of ours flicker … Continue reading

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house heating without natural gas

Some California cities are moving to ban natural gas connections in new construction! Burning gas creates CO2 that causes global warming, so just avoid burning fossil fuel by eliminating the gas connection. (Methane recovered from manure and garbage dumps could … Continue reading

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Nikola Motors and its hydrogen truck story

In the current pandemic crisis this is like kicking a man when he’s down, but I still read uncritical stories on Nikola Motor Corporation, a Tesla wannabe since Tesla was still called “Tesla Motor Corporation.” Nikola Motor has the attention … Continue reading

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eco: hydrogen home fantasy

Right now you can put up solar panels, attach them to a battery, and live off-grid. The problem is in winter you need a lot of panels and a big battery for cloudy days, or you “cheat” and get heat … Continue reading

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cars: Toyota fumbles the future

Old-line car companies mangle the English language and engage in doublespeak when they talk about how they are leaders in “electrification” and that soon all their cars will be “electrified.” All “electrified” means is their cars will have something more … Continue reading

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