By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's most significant market program in Las Vegas luxury jets are enticing buyers with their sleek shapes, plush cabins - and increasingly, their use of alternative fuels.

Fuel manufacturers and jetmakers are keen to showcase unique forms of aviation fuel deemed less harmful to the climate, from utilized cooking oil to the noticeably less glamorous meat waste.

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

Their hope is that embracing eco-friendly fuel to suppress emissions might make organization jets more appealing to ecologically mindful buyers - particularly corporations dealing with concerns over sustainability from shareholders or green project groups.

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

Five Gulfstream jets on display screen in Las Vegas are utilizing 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," 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 product is inedible."

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

FLIGHT SHAMING

Private jets represent less than 0.1% of total yearly carbon emissions globally, however can release, usually, approximately 20 times more carbon emissions per traveler mile than jetliners, according to the London-based personal charter firm Victor.

Prince Harry has actually protected his periodic use of personal jets to guarantee his family's security, and has stated that on the unusual celebrations he does not fly commercially he offsets his emissions.

But planemakers state such as the furore over his itinerary have added fresh obstacles for a market currently making every effort to validate its contribution to cutting corporate expenses.

"Incidents of flight shaming including the usage of personal jets are regrettable when you consider that our industry has actually provided fuel effectiveness enhancements of 40% over the previous 40 years," stated Bombardier Aviation President David Coleal.

Bombardier thinks increased sustainable fuel use will help the industry make inroads with corporations and wealthy buyers. According to industry data, billionaires only have a 19% organization jet ownership rate.

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

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

"No amount of jatropha curcas or Brazil-nut fuel can make service jets look eco-friendly," said aviation analyst Richard Aboulafia.

Demand from organization jet operators for sustainable 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, might expand production approximately 150 million gallons by 2022.

Corporate charter companies and specialists are likewise seeing more interest from customers who desire to purchase carbon credits to balance out emissions from their flights.

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

"At the end of the day, I think that rate, cost per hour, range, speed and efficiency, that's still the (sales) motorist. But I think individuals are becoming more familiar with the sustainability of operations and how it affects the planet." (Reporting By Allison Lampert, Editing by Tim Hepher and Alexandra Hudson)