By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's greatest market program in Las Vegas high-end jets are enticing buyers with their sleek silhouettes, luxurious cabins - and progressively, their usage of alternative fuels.

Fuel producers and jetmakers are keen to showcase unique kinds of aviation fuel considered less hazardous to the environment, from used cooking oil to the definitely less glamorous meat waste.

Business jet operators, like airlines, have actually bowed to ecological pressure on aviation 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 service jets more attractive to ecologically mindful purchasers - particularly corporations dealing with questions over sustainability from shareholders or green campaign groups.

The accessibility of less contaminating private jets might also spare the abundant and famous the negative promotion experienced by Britain's Prince Harry and his partner Meghan over a current private jet journey to southern France.

Five Gulfstream jets on display 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 byproducts of the food market," said Bryan Sherbacow, primary 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 aircraft on display screen are anticipated to be powered by 150,000 gallons of other renewable fuel mixes anticipated to be pumped at the program.

FLIGHT SHAMING

Private jets represent less than 0.1% of overall annual carbon emissions globally, but can discharge, usually, as much as 20 times more carbon emissions per passenger mile than jetliners, according to the London-based private charter company Victor.

Prince Harry has actually protected his periodic usage of personal jets to ensure his household's safety, and has actually said that on the unusual celebrations he does not fly commercially he offsets his emissions.

But planemakers state incidents such as the furore over his itinerary have added fresh obstacles for a market already making every effort to validate its contribution to cutting business costs.

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

Bombardier thinks increased sustainable fuel usage will help the market make inroads with corporations and rich purchasers. According to market data, billionaires just 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 going to planes - is unlikely to satisfy all critics at the Oct 22-24 high-end jet event.

Environmentalists and some analysts stay hesitant that biojetfuels, normally mixed 50-50 with kerosene, will make a substantial effect on public understandings about luxury travel.

"No amount of Jatropha or Brazil-nut fuel can make company jets look eco-friendly," said aviation expert Richard Aboulafia.

Demand from service jet operators for renewable fuels now far exceeds supply and their interest might drive future production, Sherbacow stated.

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

Corporate charter business and consultants are likewise seeing more interest from consumers who desire to purchase carbon credits to balance out emissions from their flights.

Brian Proctor, CEO of Mente Group, a U.S. consultancy, stated emissions contributed in a corporate jet utilization 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 efficiency, that's still the (sales) driver. But I believe people are becoming more knowledgeable about the sustainability of operations and how it affects the planet." (Reporting By Allison Lampert, Editing by Tim Hepher and Alexandra Hudson)