By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's greatest market show in Las Vegas high-end jets are tempting purchasers with their smooth shapes, luxurious cabins - and significantly, their usage of alternative fuels.

Fuel producers and jetmakers are eager to showcase unique kinds of aviation fuel considered less damaging to the climate, from used cooking oil to the clearly less glamorous meat waste.

Business jet operators, like airlines, have actually acquiesced ecological pressure on aviation and dedicated to cutting in half carbon emissions by 2050 compared to 2005.

Their hope is that adopting eco-friendly fuel to curb emissions might make company jets more attractive to ecologically conscious purchasers - particularly corporations facing questions over sustainability from investors or green project groups.

The schedule of less contaminating personal jets could likewise spare the rich and popular the negative promotion experienced by Britain's Prince Harry and his other half Meghan over a current trip to southern France.

Five Gulfstream jets on display in Las Vegas are using California-produced fuel from inedible beef tallow.

The current waste-based fuels consist of "fats, grease and oils that are byproducts of the food industry," stated Bryan Sherbacow, chief business officer of Boston-based biofuel producer World Energy, which produces fuel from meat waste utilized by Gulfstream.

"All of our item is inedible."

A few of the other 79 aircraft on screen are expected to be powered by 150,000 gallons of other eco-friendly fuel blends expected to be pumped at the program.

FLIGHT SHAMING

Private jets represent less than 0.1% of overall yearly carbon emissions internationally, but can emit, typically, as much as 20 times more carbon emissions per guest mile than jetliners, according to the London-based private charter firm Victor.

Prince Harry has safeguarded his occasional usage of personal jets to ensure his household's security, and has stated that on the rare events he does not fly commercially he offsets his emissions.

But planemakers state occurrences such as the furore over his itinerary have actually included fresh difficulties for a market currently striving to justify its contribution to cutting corporate expenses.

"Incidents of flight shaming involving using personal jets are unfortunate when you think about that our industry has actually provided fuel effectiveness enhancements of 40% over the previous 40 years," said Bombardier Aviation President David Coleal.

Bombardier thinks increased sustainable fuel usage will help the market make inroads with corporations and rich buyers. According to industry information, billionaires only have a 19% business jet ownership rate.

But even an image transformation - with jets sporting stickers like "this airplane flies on eco-friendly fuels" and organisers adding alternative fuel pumps for going to airplanes - is unlikely to please all critics at the Oct 22-24 luxury jet occasion.

Environmentalists and some experts remain doubtful that biojetfuels, generally mixed 50-50 with kerosene, will make a substantial effect on public perceptions about luxury travel.

"No quantity of jatropha curcas or Brazil-nut fuel can make business jets look eco-friendly," said aviation expert Richard Aboulafia.

Demand from service jet operators for eco-friendly fuels now far exceeds supply and their interest could drive future production, Sherbacow said.

World Energy, which produces 40 million gallons of biofuel at its California plant, could expand production up to 150 million gallons by 2022.

Corporate charter companies and experts are likewise seeing more interest from customers who want to buy carbon credits to balance out emissions from their flights.

Brian Proctor, CEO of Mente Group, a U.S. consultancy, stated emissions contributed in a corporate jet usage research study his business just recently completed for a Fortune 500 business.

"At the end of the day, I believe that price, cost per hour, range, speed and efficiency, that's still the (sales) chauffeur. But I believe individuals are ending up being more familiar with the sustainability of operations and how it impacts the planet." (Reporting By Allison Lampert, Editing by Tim Hepher and Alexandra Hudson)