By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's most significant industry program in Las Vegas high-end jets are luring purchasers with their streamlined silhouettes, plush cabins - and significantly, their usage of alternative fuels.

Fuel producers and jetmakers are keen to showcase novel kinds of aviation fuel deemed less harmful to the climate, from utilized cooking oil to the definitely less glamorous meat waste.

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

Their hope is that embracing eco-friendly fuel to curb emissions could make service jets more appealing to ecologically mindful purchasers - specifically corporations dealing with questions over sustainability from investors or green campaign groups.

The accessibility of less polluting personal jets could also spare the rich and famous the unfavorable promotion experienced by Britain's Prince Harry and his partner Meghan over a recent private jet journey to southern France.

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

The most recent waste-based fuels include "fats, grease and oils that are byproducts of the food market," said Bryan Sherbacow, chief business officer of Boston-based biofuel producer World Energy, which produces fuel from meat waste utilized by .

"All of our item is inedible."

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

FLIGHT SHAMING

Private jets account for less than 0.1% of overall yearly carbon emissions worldwide, however can release, on average, up to 20 times more carbon emissions per guest mile than jetliners, according to the London-based private charter firm Victor.

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

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

"Incidents of flight shaming including making use of personal jets are regrettable when you consider that our market has provided fuel effectiveness improvements of 40% over the past 40 years," stated Bombardier Aviation President David Coleal.

Bombardier believes increased sustainable fuel usage will assist the industry make inroads with corporations and rich buyers. According to industry data, billionaires just have a 19% service jet ownership rate.

But even an image remodeling - with jets sporting sticker labels like "this airplane flies on eco-friendly fuels" and organisers including alternative fuel pumps for going to airplanes - is not likely to please all critics at the Oct 22-24 high-end jet event.

Environmentalists and some experts stay hesitant that biojetfuels, usually blended 50-50 with kerosene, will make a significant effect on public perceptions about luxury travel.

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

Demand from business 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, might broaden production up to 150 million gallons by 2022.

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

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

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