Sentences with phrase «economical use of fuel»

One hundred and forty - four years ago, Jevons wrote, «It is wholly a confusion of ideas to suppose that the economical use of fuel is equivalent to a diminished consumption.

Jevons concluded that: «It is wholly a confusion of ideas to suppose that the economical use of fuel is equivalent to a diminished consumption.

The twin - turbo straight - six power unit already giving the BMW Z4 sDrive35i truly impressive dynamics and all - round performance is characterised in particular by its spontaneous and direct response to the gas pedal, fascinating free - revving performance, and unusually economical use of fuel for a car in this class.

Available either as a four - door sedan or hatchback, the Mazda3 is powered by a 2.5 - liter four - cylinder engine lauded for its eager performance and economical use of fuel.

In describing what is now known as the Jevons Paradox, he wrote: «It is wholly a confusion of ideas to suppose that the economical use of fuels is equivalent to a diminished consumption.

Not exact matches

The use of alcohol as a fuel for internal combustion engines, either alone or in combination with other fuels, has been given much attention mostly because of its possible environmental and long - term economical advantages over fossil fuel.

«It is important for us to understand this, so that we can design new materials, for example, to build better or more efficient solar cells, or make better and more economical use of fossil fuels,» Elmlund said.

So far, lack of an inexpensive and stable catalyst has limited widespread, economical use of hydrogen fuel cells (HFCs).

Other options include the more powerful (yet still reasonably economical) BMW 740d diesel, as well as the BMW 740Li, BMW 750i and BMW M760Li petrols — although these are rare choices due to their higher fuel consumption and tax obligations; the 6.6 - litre M760Li, for example, returns just 22mpg — but in fairness, the rest of the petrol engines use roughly half as much fuel as that.

Even better news is that BMW's spanner men and women have managed to make the 30d engine more economical, now using fuel consumption of 6.2 L / 100 km, down from its predecessors 7.4 L / 100 km.

Regardless of whether you are looking for a used compact car for the economical sale price or the outstanding fuel efficiency, the time is right to get a great deal.

We didn't get to drive the turbo - diesel model, a $ 73,900 quattro proposition, which is a shame because Audi reckons it's the most economical diesel AWD vehicle in Australia, using fuel at a rate of 4.6 L / 100 km.

We've seen hybrid vehicles — which use a tiny gasoline engine and a big electric motor for power, resulting in high overall fuel mileage — marketed in the United States using two central selling points: that hybrids such as the Toyota Prius and Honda Civic and Insight are economical, getting in excess of 45 miles per gallon, and that environmentally, hybrids are The Right Thing To Do.

If the Government would recognize that the use of fossil fuel is not sustainable and would set the goal to achieve a hydrogen - based energy economy by 2020 or earlier, it would not only stimulate biochemical and physical research, but additional development of using hydrogen gas in stead of fossil fuel (already possible, but not yet economical).

Initially, the biofuel will be blended at a ratio of 30 percent for San Francisco - bound flights, but then will be mixed into the fuel delivered underground to all United planes, a crucial step in making biofuel use economical.

Performance of the engine is fantastic and fuel used is economical.