The company announced in February that it could no longer store the fuel, used in some vintage and high performance vehicles, at its St Sampson fuel depot.

BBC: Guernsey super unleaded petrol supplies to continue

From its inception in 1948, Porsche has been a leader in advancing vehicle performance, improving automotive safety and developing ever more fuel efficient technologies in its high-performance models.

ENGADGET: Porsche opens 918 Spyder plug-in supercar pre-orders, $845,000 gets you a ticket to ride

One thing is clear in surveying the new vehicles unveiled at the Paris Motor Show: automakers are not shying away from high performance, even as governments the world over continue to tighten fuel economy and emissions standards.

FORBES: The 8 Most Important Vehicles From The Paris Motor Show

Allowing for the quick change means that a big car can get reasonably good fuel mileage in ordinary driving but rev high when more performance is wanted.

CNN: Fat and fast: High-performance gets big

Ford has made EcoBoost engines fundamental to its strategy of providing technologically advanced, high-output, smaller-displacement powertrains that deliver exceptional fuel economy and performance.

FORBES: Ford Pushes Past $20 With An F-150 That Sips Gas

Chevrolet provides customers with fuel-efficient vehicles that feature spirited performance, expressive design, and high quality.

ENGADGET: Chevy Spark EV rated most efficient retail car with 82-mile range, 119 MPGe

High (and expensive) fuel burn has always been seen as the main obstacle to such performance.

ECONOMIST: Boeing v Airbus

Chevrolet provides consumers with fuel-efficient, safe and reliable vehicles that deliver high quality, expressive design, spirited performance and value.

ENGADGET: Chevrolet rolling out Volt nationwide by end of year, everybody gets a plug-in