By Allison Lampert

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

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

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

Their hope is that embracing renewable fuel to suppress emissions might make company jets more attractive to environmentally mindful buyers - particularly corporations dealing with questions over sustainability from shareholders or green project groups.

The schedule of less contaminating private jets might likewise spare the rich and well-known the unfavorable publicity experienced by Britain's Prince Harry and his wife Meghan over a recent 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 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 manufacturer World Energy, which produces fuel from meat waste utilized by Gulfstream.

"All of our item is inedible."

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

FLIGHT SHAMING

Private jets account for less than 0.1% of total yearly carbon emissions globally, however can emit, typically, as much as 20 times more carbon emissions per traveler mile than jetliners, according to the London-based private charter firm Victor.

Prince Harry has protected his occasional use of personal jets to ensure his family's security, and has stated that on the uncommon events 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 challenges for an industry already making every effort to justify its contribution to cutting business expenses.

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

Bombardier believes increased sustainable fuel usage will assist the market make inroads with corporations and rich purchasers. 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 sustainable fuels" and organisers including alternative fuel pumps for checking out aircrafts - is unlikely to please all critics at the Oct 22-24 luxury jet event.

Environmentalists and some experts remain hesitant that biojetfuels, usually blended 50-50 with kerosene, will make a considerable influence on public understandings about high-end travel.

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

Demand from organization jet operators for sustainable fuels now far goes beyond supply and their interest could drive future production, Sherbacow said.

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

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

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

"At the end of the day, I think that price, cost per hour, range, speed and performance, that's still the (sales) motorist. But I believe people 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)