Ken
Although I’m prepared to accept that the Prius is a good compromise (and your
previous posts have tempted me to look for a used model), your assertion sounds
like a recipe for perpetual motion. A heavier vehicle driven in the same
fashion as a lighter one will always use more energy.
Chris
> On 30 Jul 2015, at 17:50, Ken Norton <ken@xxxxxxxxxxx> wrote:
>
>> Yeah, where I live it's really a matter of transferring the emissions. What
>> is worse, emissions from a car burning hydrocarbon fuel of generating
>> electricity using brown coal, using it to produce hydrogen to produce
>> electricity to power a vehicle ? Personally I think the principle used in
>> the Prius makes more sense.
>
> As an owner of a Prius, I would agree. Of all the hybrid systems out
> there, the Prius remains the gold standard. For one thing, the battery
> packs don't die after five years like the Lithium based ones do. The
> pack is a little heavier, but only marginally so because the housings
> for the Lithium batteries weigh more. Weight increase doesn't always
> mean lower mileage. The way the regenerative system works, braking and
> coasting recharges the battery. The more mass you are trying to stop,
> the more electricity is produced. As long as you aren't face-planting
> the brake peddle, a large percentage of your braking is done by the
> generator. Ours is a second-generation 2009, and we get around 50 mpg
> in the summer, and about 46 mpg as our year-round average.
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