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- Newsgroups: sci.energy
- Path: sparky!uunet!cs.utexas.edu!zaphod.mps.ohio-state.edu!moe.ksu.ksu.edu!mimbres.cs.unm.edu!nmt.edu!houle
- From: houle@nmt.edu (Paul Houle)
- Subject: Re: More External-Combustion Info
- Message-ID: <1992Nov18.151942.7756@nmt.edu>
- Organization: New Mexico Tech
- References: <1992Nov16.215307.11973@bsu-ucs> <1992Nov17.071642.22601@leland.Stanford.EDU> <1ebhauINNm1l@gap.caltech.edu>
- Date: Wed, 18 Nov 1992 15:19:42 GMT
- Lines: 16
-
- In article <1ebhauINNm1l@gap.caltech.edu> carl@SOL1.GPS.CALTECH.EDU writes:
-
- >Personally, I can't
- >imagine very many situations in which having to wait 30 seconds between the
- >time you turn on the ignition and the time you can start the car moving would
- >be a serious problem.
-
- One can make a case that gasolene-based cars should have a 30-second
- warm-up cycle as well. Catalytic converters do not function effectively
- until they get up to operating temperature, so a rather large contribution
- to emissions is made in the first few minutes of operation. We can imagine
- either an electric or gasolene-based heater that brings the converter up to
- temperature. Similarly, one could use a pump to pressurize the lubrication
- system and get oil distributed throughout the engine ~before~ starting, which
- would considerably reduce wear.
- --
-