By Allison Lampert

LAS VEGAS, Oct 22 (Reuters) - At the world's biggest industry show in Las Vegas high-end jets are luring buyers with their streamlined shapes, luxurious cabins - and progressively, their usage of alternative fuels.

Fuel manufacturers and jetmakers are keen to showcase unique kinds of aviation fuel deemed less damaging to the climate, from utilized cooking oil to the distinctly less attractive meat waste.

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

Their hope is that adopting renewable fuel to suppress emissions might make company jets more appealing to ecologically mindful purchasers - specifically corporations dealing with questions over sustainability from shareholders or green campaign groups.

The schedule of less contaminating personal jets could likewise spare the abundant and famous the unfavorable promotion experienced by Harry and his wife Meghan over a recent private jet journey to southern France.

Five Gulfstream jets on 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 industry," stated Bryan Sherbacow, primary industrial officer of Boston-based biofuel producer World Energy, which produces fuel from meat waste utilized by Gulfstream.

"All of our product is inedible."

Some of the other 79 airplane on display 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 represent less than 0.1% of total yearly carbon emissions worldwide, however can release, typically, approximately 20 times more carbon emissions per guest mile than jetliners, according to the London-based personal charter firm Victor.

Prince Harry has protected his occasional usage of private jets to ensure his family's security, and has actually stated that on the uncommon celebrations he does not fly commercially he offsets his emissions.

But planemakers say occurrences such as the furore over his schedule have actually added fresh obstacles for an industry already striving to justify its contribution to cutting corporate costs.

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

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

But even an image remodeling - with jets sporting sticker labels like "this airplane flies on renewable fuels" and organisers adding alternative fuel pumps for checking out aircrafts - is unlikely to please all critics at the Oct 22-24 luxury jet occasion.

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

"No quantity of jatropha curcas or Brazil-nut fuel can make organization jets look eco-friendly," stated air travel analyst 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 California plant, could expand production approximately 150 million gallons by 2022.

Corporate charter business and specialists are likewise seeing more interest from customers who wish to buy carbon credits to offset emissions from their flights.

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

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