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Forget lab-made materials like graphene -- natural, old-fashioned hemp may be the ticket to our energy future. Researchers have demonstrated that you can make very efficient carbon electrodes simply by heating hemp bast fibers in a two-stage process. The resulting substance holds as much energy as graphene, but is much cheaper to make. You're just using biological leftovers, after all. It's much more tolerant of temperature extremes, too, and can survive anything from freezing conditions to a scorching 200F. And before you ask -- this is hemp, not pot, so you're not going to get a contact high just by using a battery.
Natural Gas 27%
Other Renewable 6%
Other Gases < 1%
originally posted by: Lipton
Weekend Op-Ed: Why My Jeep Wrangler Is Greener Than Your Hybrid
My 20 year old, 4 cylinder, steel box with wheels that I fastidiously maintain will outlast the newest, fanciest hybrid #box that rolls of the lines tomorrow.
35 MPG in 1976 and nothing that can't be fixed with pliers and a screwdriver
originally posted by: C0bzz
Also if you look at well-to-wheels assessment, the dominating factor in terms of CO2 emissions and fuel use is operating the vehicle, rather than manufacture. So claims that older cars with worse MPG end up a net benefit aren't necessarily true, it would depend on how close the MPG of both cars are. Older cars will also have less life remaining in them.
Development and Applications of GREET 2.7 — The Transportation Vehicle-Cycle Model
Essentially, unless you pass the 160,000 mile mark with your hybrid, then my steel box with wheels is greener.
HEVs also emit fewer tailpipe pollutants because of
their electric powertrains and efficient ICEs.
In HEVs, the engines can be smaller, lighter, cleaner-running, and designed to operate efficiently when meeting average power needs because the battery kicks in when extra energy is required.
So far, five‑year maintenance costs for HEVs have been lower than those for conventional vehicles.
Seeing as how most people cannot manage to keep a houseplant alive, I doubt most of sort that drive a Prius (the ones I've met have soft, supple hands) can maintain their electronic enigma past 100,000, whereas I have 9 3/4 of my fingers and have 350,000+ on mine
At least I was able to rebuild my engine...and transmission...and transfer case...and axles... What can your average wrench turner fix on a hybrid, or EV?
I would love to see some hard data regarding the life expectancy; both of the chassis mileage and battery pack mileage of hybrids and EV's. But I'm willing to bet most are scrapped before they've rolled through their second set of tires.
And lets not even get in to the batteries; from their birth in a Lithium strip mine in China,
to the woefully lacking recycling infrastructure which leads them to be dumped in landfills. Meanwhile their antiquate lead-acid counterparts are recycled nearly 99.9% of the time.
Accept it, hybrids are targeted at the same demographic that replaces their cell phone every 6 months. They're nothing but a wasteful novelty. They're like e-waste with wheels.
Not to mention, I doubt there are many girls clamoring to go for a ride with some hipster douche in his Prius....