Well, it's not surprising to discover — despite Renault's claims of quieter - than - usual diesel operation — it's more rowdy and less
refined than the petrol engine.
Not exact matches
It's smoother, more linear and more
refined throughout its rev range
than Mazda's current Skyactiv - G
petrol, pulls cleanly from tickover in high gears if required, and doesn't have a hint of diesel - style rattle.
It's the new Mercedes C - Class in its most
refined form: with a 3.5 - litre V6
petrol engine, automatic gearbox and in Elegance rather
than Sport specification.
The
petrol be less
refined than the standard c class which is a pretty
refined car?
It's less
refined than the 1.0 - litre
petrol, but for many the economy figures alone will be enough to make the difference.
The vehicles are powered by state - of - the - art
petrol engines that have been further
refined with the 45 and 52 kW versions emitting less
than 100 g / km CO2 — a new benchmark.
The information I could find on US bioethanol is not encouraging — according to a recent University of Berkley study (see here Source: http://rael.berkeley.edu/EBAMM/FarrellEthanolScience012706.pdf), US bioethanol has 13 % less greenhouse gas emissions
than diesel or
petrol, because of the energy intensive
refining process, the energy input to farming, and fertilizer production and use.