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Comment Re:Because Windows Sucks (Score 1) 265

It's common now for a freshly installed Windows 7 system to spin for 36 hours before finding it first major set of updates.

Ridiculous, but true.

if you've migrated recently, might I recommend XFCE as a Desktop Environment? It's slightly less modern (based off GTK version 2 rather than 3) but much snappier. I found a ten year old laptop works much faster with Mint + XFCE than it ever did with XP.

Comment Re:There is no such thing as a zero emissions vehi (Score 3, Interesting) 296

After reading your first two sentences I was wondering if perhaps you had never heard of batteries. Now I suspect you're just over-stating the losses in charging Lithium-Ion batteries.

As for discharging, the energy efficiency of an electric "engine", including the battery and motors is about 95% when thermal and inductive losses are taken into account.

Compare this to a theoretical maximum of 46% of a gasoline engine, dictated by thermodynamics. Of course, this very generous scenario assumes instantaneous burn time (0 seconds), no heat loss through coolant and impossibly perfect exhaust valve timing. In the real world efficiencies of 25% to 30% are typical.

If you're willing to swap out your petrol ICE for a Wartsila 31 diesel engine you could stand a chance of approaching the world record of just over 50%. However you may need to weld some additional support struts to your car, as that engine is typically used in container ships.

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