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#1
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"mark_digital©" <XXX-976 (AT) commacast (DOT) com> wrote in message news:5qCdnQ-KvdhVIazbnZ2dnUVZ_segnZ2d (AT) comcast (DOT) com... Last night on our local news there was an elderly couple interviewed about their _brand_ new_ Prius. "When I saw the EPA rating of 60 miles per gallon I said to my wife, we got to get this car." He goes on to say he only gets 41 miles to a gallon. Then the couple is seen driving off with him in the front passenger seat. I nearly fell off the couch laughing. I guess his wife is determined to *make it work*. ---------- All the while not knowing it *is* working. Few people actually keep track of the fuel consumption they are experiencing, and to see it presented is a shock. My daughter was shocked to find her '93 Accord 4-cyl automatic getting barely 20 mpg in town. Prius owners too seldom realize the in-town economy they are seeing is twice what they had before and that few people get EPA estimates in any car, especially on congested streets and with short trips. (Hybrids are not affected much by stop and go but are hit just as badly by warm-up.) That will probably get worse as efficiency gets better, because efficiency rarely affects fixed losses. In the Prius, there is too little waste heat from the engine in town to operate the heater at full output, so the engine runs just to heat the occupants. BTW - I agree about the multi-function display. I keep mine dimmed. Mike (averaging 46 mpg commuting three miles in his 2002 Prius). |
#2
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Walt, Thank you for the reply. The information is very useful. As one would expect, there's a huge hit in mileage on the highway between 55-70 and 80+. I live in the Berkeley hills (across the Bay from San Francisco). Every trip I take starts and ends with a very long, steep hill -- a cab driver once told me that our street is the steepest street in the Bay Area, including all the San Francisco hills. Clearly, coming up this hill once or more per day is taking its toll on my gas mileage. On the other hand, compared to the car I replaced with the Highlander -- a 2000 Ford Explorer -- I am getting great mileage. I was interested in your comment about the battery. I have not noticed the battery bars ever going down more than two. Also, it seems that no matter how gently I step on the "gas pedal," once the car reaches 15-20 MPH, the engine starts. I'd never driven a hybrid before buying this car, but I was under the impression that it used the electric motor more than mine seems to. I will discuss all of this with the dealer when I take it for the first service in 2,500 more miles. John |
#3
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I used to live in the Bay Area, and those Berkeley hills are steep! I used to love driving through those hills and the hill that goes over the Caldecott Tunnel into Orinda. The hybrid system provides low speed propulsion and some assistance at higher speeds, and accelerating (as opposed to cruising at a steady speed) uses a lot of power, so the internal combustion engine, or ICE, will start and take over propulsion above 15 or 20 MPH, as you are experiencing. Running under pure electric power rapidly depletes the battery pack, so if you were to cruise at 10 ~ 15 MPH, the ICE would probably start after a mile or two. The hybrid system reduces the work that the ICE does, but due to limitations in battery storage capacity, the reduction in the need for the ICE to work is probably more in the neighborhood of 5 or 10%, not 25 or 50%. -- Ray O (correct punctuation to reply) |
#4
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Hi Ray, I'm learning what the hybrid system does and does not do. Bottom line for me is that it's a great car and I'm really happy I made the switch from the Explorer. Yes, the Berkeley hills and Tilden Park are beautiful, as well as the whole East Bay Regional Park system. What's particularly amazing is that they are only ten minutes from downtown Berkeley and Oakland. John |
#5
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| I worked in Benicia, South SF, and San Ramon and miss the beautiful Bay Area and the Yosemite area. For someone who enjoys fishing, camping, and hiking, it was like living in a giant playground! Hmmm, maybe it's time to plan a trip out west! Enjoy your new Highlander! -- Ray O (correct punctuation to reply) |
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