By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's biggest industry program in Las Vegas luxury jets are drawing buyers with their sleek silhouettes, luxurious cabins - and significantly, their use of alternative fuels.

Fuel manufacturers and jetmakers are keen to display unique types of air travel fuel deemed less hazardous to the environment, from utilized cooking oil to the definitely less glamorous meat waste.

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

Their hope is that embracing renewable fuel to suppress emissions might make organization jets more attractive to ecologically mindful purchasers - especially corporations facing questions over sustainability from investors or green campaign groups.

The accessibility of less polluting private jets could likewise spare the abundant and popular the unfavorable promotion experienced by Britain's Prince Harry and his spouse Meghan over a recent private jet trip to southern France.

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

The most recent waste-based fuels include "fats, grease and oils that are by-products of the food industry," stated Bryan Sherbacow, primary industrial officer of Boston-based biofuel manufacturer World Energy, which produces fuel from meat waste used by Gulfstream.

"All of our product is inedible."

Some of the other 79 aircraft on display 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 represent less than 0.1% of overall yearly carbon emissions internationally, but can discharge, usually, approximately 20 times more carbon emissions per traveler mile than jetliners, according to the London-based private charter company Victor.

Prince Harry has safeguarded his periodic usage of private jets to ensure his household's safety, and has said that on the uncommon occasions he does not fly commercially he offsets his emissions.

But planemakers state incidents such as the furore over his travel plan have actually added fresh obstacles for a market already aiming to justify its contribution to cutting business expenses.

"Incidents of flight shaming involving the usage of personal jets are regrettable when you think about that our market has actually provided fuel efficiency improvements of 40% over the past 40 years," said Bombardier Aviation President David Coleal.

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

But even an image transformation - with jets sporting sticker labels like "this aircraft flies on renewable fuels" and organisers including alternative fuel pumps for going to airplanes - is unlikely to please all critics at the Oct 22-24 high-end jet occasion.

Environmentalists and some analysts stay skeptical that biojetfuels, typically mixed 50-50 with kerosene, will make a considerable influence on public understandings about high-end travel.

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

Demand from organization jet operators for renewable 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 plant, could broaden production as much as 150 million gallons by 2022.

Corporate charter business and experts are also seeing more interest from clients who wish to purchase 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 utilization research study his business recently completed for a Fortune 500 company.

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