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Does anyone know if the engine will turn off earlier than usual if you drop it into reverse? I know the first and/or second gen Prius did that.
Does anyone know where I can dig up the volume of the combustion chamber for the 1NZ and 2GR "Atkinson" engines? I'm wondering if Toyota actually...
My point isn't that the intake valves close earlier than the literature suggests, it's that the Prius isn't very different (with the exception of...
The same way it engaged in older models (just VVT). As far as I know, VVT systems don't always have to be active, and cars can be driven with them...
Are you sure that the intake valve can't open fully even when VVT-i isn't operating?
As far as I know, the engine will go all the way up to 10:1 at WOT, but the majority of the time it's operating at much lower effective CRs....
I'm not sure about the exact figures, but the Volt has to convert all the motive power the engine generates into electricity and then back to...
Yup, they're usually rock solid. The only thing my 2005 Prius has needed in 200k+ miles is one battery module, which I replaced myself in ~4...
I'm assigning it to all fuels from refining, which as near as I can tell, is ~36 gallons. It's mostly gasoline (19+)... then diesel (9), jet-fuel...
Austingreen's post on refining is pretty good. It looks like all in (coal/electricity/nat gas), refineries need ~.75kWh of equivalent electricity...
That sounds right. So for electricity, we're looking at ~.25kWh/gallon (refined gasoline/diesel/jet fuel/propane). Natural gas is ~234billion kWh,...
What's the article title? I might be able to access it.
I think you've hit the nail on the head. It's not just that Nissan used only refining, assuming they did, but that everyone jumped on that as...
I think the CA figures were ~.5kWh, but more or less I think everyone's on the same page. The thing is, portraying all the energy inputs of...
That's likely CA specific b/c we have so much heavy crude that requires a lot of steam to get flowing and a lot of electricity to pump out, which...
That's accurate, but it's not the whole story. Refining and extraction are where the energy come from. And the electricity/steam used in...
That's spot it. It's something like ~1kWh of electricity, and enough natural gas to generate another ~4kWh of electricity in a CC plant. The...
In CA, the state publishes data submitted by oil companies, among other entities, about how much natural gas (and coal, but that's kind of rare)...
It's based on all electricity/nat gas used in CA for extraction and by refineries in the late 90s/early 2000s. This was published on a state...
That's about right. From my earlier post (So what is your carbon footprint? | Page 3 | PriusChat"), extraction alone requires ~8.7kWh of natural...
