Godfrey DiGiorgi wrote: > On Nov 25, 2006, at 9:06 AM, Adam Maas wrote: > >>> BTW: if you are really spending 5-6 hours per day continuous in a >>> passenger car just to go about your daily business of just getting to >>> and from work, well, you have other problems in my opinion. !! :-) >> Just a note, but with 100kph limits on the 400 series highways, >> that's a >> little less than 4 hours, 2 each way, not 5-6 hours. There's a >> relatively large difference there. > > Not that I think a 2 hour commute is sensible but ... > > So let's say you have a 2 hour one-way commute @ 100kph average > speed, and you'll be at your turnabout waypoint for 2 hours. That's > about 125 miles, 2 hours charging time while there (enough time for a > half charge), add another hour driving for side trips (grocery, bank, > etc), and another 125 miles for homeward drive at which point the car > goes back on the charger. > > if you've got 250 miles range on a full charge, that means you have > reserve capacity for about double your daily need at any given time. > The issue is not total capacity or range, it's infrastructure to > support the incremental charging required to support this typical use > model. That was the point of the California initiative which included > charging station infrastructure, not just the cars. > > And, as I said before, it doesn't solve the long distance, continuous > use needs for trips of great duration. That's a different problem > that the hybrid electric design solves. A plug-in hybrid would > achieve both solutions as well, or a revolution in battery/charging > technology to allow very fast charging while at typical duration rest > stops about every 60-90 minutes, which seems to be most people's long > distance driving behavior judging by what I saw crossing the US last > week. > > Godfrey >
I agree entirely (including the silliness of a 2 hour commute, but I know quite a number of people who do such things). -Adam -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
