14-4-2000 I hear that they are experimenting in Australia with running diesels on compressed natural gas. Wonder what compression ratio they're using? I believe this is a commercial trial preparatory to making the system available publicly. Here in New Zealand there are a lot of vehicles running on liquid propane, but CNG isn't generally available for cars. Imagine, a diesel that doesn't smoke or turn its oil black with carbon particles. And that doesn't need 5000km oilchanges (though Nissan's new DOHC 4-valve diesels have centrifugal oilfilters that remove all the carbon, and have 15000km oilchange intervals). |
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