By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's most significant market show in Las Vegas luxury jets are drawing purchasers with their streamlined shapes, plush cabins - and progressively, their usage of alternative fuels.

Fuel producers and jetmakers are keen to display unique kinds of air travel fuel deemed less hazardous to the climate, from used cooking oil to the definitely less glamorous meat waste.

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

Their hope is that embracing eco-friendly fuel to curb emissions could make organization jets more attractive to environmentally mindful purchasers - particularly corporations facing concerns over sustainability from shareholders or green campaign groups.

The availability of less contaminating personal jets might likewise spare the rich and well-known the unfavorable publicity experienced by Britain's Prince Harry and his wife Meghan over a current personal jet journey to southern France.

Five Gulfstream jets on display screen 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 market," said Bryan Sherbacow, chief commercial officer of Boston-based biofuel producer World Energy, which produces fuel from meat waste utilized by Gulfstream.

"All of our item is inedible."

Some of the other 79 airplane on display screen are anticipated to be powered by 150,000 gallons of other eco-friendly fuel blends expected to be pumped at the program.

FLIGHT SHAMING

Private jets account for less than 0.1% of overall annual carbon emissions internationally, but can discharge, on average, as much as 20 times more carbon emissions per passenger mile than jetliners, according to the London-based personal charter firm Victor.

Prince Harry has safeguarded his occasional use of private jets to guarantee his household's safety, and has actually said that on the uncommon events he does not fly commercially he offsets his emissions.

But planemakers state incidents such as the furore over his schedule have actually included fresh challenges for a market currently striving to its contribution to cutting business costs.

"Incidents of flight shaming including using private jets are unfortunate when you think about that our industry has actually provided fuel performance improvements of 40% over the previous 40 years," stated Bombardier Aviation President David Coleal.

Bombardier believes increased sustainable fuel use will assist the market make inroads with corporations and wealthy purchasers. According to market data, billionaires only have a 19% service jet ownership rate.

But even an image remodeling - with jets sporting stickers like "this aircraft flies on renewable fuels" and organisers including alternative fuel pumps for going to planes - is not likely to please all critics at the Oct 22-24 luxury jet event.

Environmentalists and some experts remain hesitant that biojetfuels, usually combined 50-50 with kerosene, will make a substantial effect on public understandings about luxury travel.

"No amount 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 renewable fuels now far surpasses supply and their interest could drive future production, Sherbacow stated.

World Energy, which produces 40 million gallons of biofuel at its California plant, could broaden production as much as 150 million gallons by 2022.

Corporate charter business and specialists are also seeing more interest from consumers who desire to purchase carbon credits to offset emissions from their flights.

Brian Proctor, CEO of Mente Group, a U.S. consultancy, stated emissions played a role in a corporate jet utilization research study his business recently finished for a Fortune 500 company.

"At the end of the day, I think that rate, expense per hour, range, speed and efficiency, that's still the (sales) driver. But I believe individuals are ending up being more aware of the sustainability of operations and how it impacts the world." (Reporting By Allison Lampert, Editing by Tim Hepher and Alexandra Hudson)