By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's most significant industry show in Las Vegas high-end jets are enticing buyers with their sleek silhouettes, plush cabins - and significantly, their use of alternative fuels.

Fuel manufacturers and jetmakers are keen to display novel types of aviation fuel considered less hazardous to the climate, from utilized cooking oil to the definitely less attractive meat waste.

Business jet operators, like airlines, have bowed to ecological pressure on aviation and committed to halving carbon emissions by 2050 compared to 2005.

Their hope is that embracing sustainable fuel to might make business jets more attractive to environmentally mindful buyers - particularly corporations facing questions over sustainability from investors or green project groups.

The schedule of less contaminating personal jets might also spare the abundant and famous the unfavorable publicity experienced by Britain's Prince Harry and his other half Meghan over a recent private jet trip 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 byproducts of the food industry," stated Bryan Sherbacow, primary business officer of Boston-based biofuel producer World Energy, which produces fuel from meat waste used 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 blends anticipated to be pumped at the show.

FLIGHT SHAMING

Private jets account for less than 0.1% of overall annual carbon emissions globally, however can give off, typically, as much as 20 times more carbon emissions per traveler mile than jetliners, according to the London-based personal charter firm Victor.

Prince Harry has safeguarded his occasional use of personal jets to ensure his family's security, and has stated that on the unusual events he does not fly commercially he offsets his emissions.

But planemakers say events such as the furore over his schedule have actually added fresh obstacles for an industry already making every effort to justify its contribution to cutting corporate expenses.

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

Bombardier thinks increased sustainable fuel use will assist the market make inroads with corporations and rich purchasers. According to industry information, billionaires just have a 19% service jet ownership rate.

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

Environmentalists and some experts stay hesitant that biojetfuels, generally combined 50-50 with kerosene, will make a substantial influence on public understandings about high-end travel.

"No quantity of Jatropha or Brazil-nut fuel can make business jets look eco-friendly," stated air travel expert Richard Aboulafia.

Demand from business jet operators for eco-friendly fuels now far exceeds supply and their interest might drive future production, Sherbacow said.

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

Corporate charter business and experts are likewise seeing more interest from consumers who desire to buy carbon credits to offset emissions from their flights.

Brian Proctor, CEO of Mente Group, a U.S. consultancy, said 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) driver. But I believe individuals are becoming more knowledgeable about the sustainability of operations and how it affects the world." (Reporting By Allison Lampert, Editing by Tim Hepher and Alexandra Hudson)