By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's greatest market program in Las Vegas luxury jets are luring buyers with their streamlined shapes, luxurious cabins - and significantly, their use of alternative fuels.

Fuel producers and jetmakers are keen to display novel forms of aviation fuel deemed less harmful to the environment, from used cooking oil to the distinctly less attractive meat waste.

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

Their hope is that embracing eco-friendly fuel to curb emissions might make organization jets more attractive to environmentally mindful buyers - especially corporations dealing with concerns over sustainability from investors or green project groups.

The availability of less polluting private jets might likewise spare the abundant and famous the unfavorable publicity experienced by Britain's Prince Harry and his other half Meghan over a current personal jet journey to southern France.

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

The most recent waste-based fuels consist of "fats, grease and oils that are by-products of the food market," 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."

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

FLIGHT SHAMING

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

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

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

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

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

But even an image transformation - with jets sporting stickers like "this airplane flies on sustainable fuels" and organisers adding alternative fuel pumps for visiting planes - is unlikely to please all critics at the Oct 22-24 high-end jet event.

Environmentalists and some analysts remain doubtful that biojetfuels, generally combined 50-50 with kerosene, will make a significant influence on public understandings about luxury travel.

"No amount of Jatropha or Brazil-nut fuel can make business jets look eco-friendly," stated aviation analyst Richard Aboulafia.

Demand from company jet operators for renewable fuels now far surpasses supply and their interest might drive future production, Sherbacow said.

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

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

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

"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 think people are ending up being more knowledgeable about the sustainability of operations and how it impacts the planet." (Reporting By Allison Lampert, Editing by Tim Hepher and Alexandra Hudson)