singapore nov 23 reuters  asias cash premiums for benchmark 10 ppm gasoil and jet fuel cargoes edged higher on tuesday on continued signs of improving demand and tight regional inventories cash premiums for jet fuel climbed to a oneweek high of 19 cents a barrel to singapore quotes up 7 cents from the previous session similarly the 10 ppm gasoil cash premium rose to 46 cents a barrel on tuesday up 2 cents from mondays fiveweek low the global diesel market is headed for several weeks of volatility as it seeks direction ahead of peak heating demand in q1 2022 energy aspects said in a note to clients on monday a mild start to winter and rising covid19 cases in europe pose downside risks to demand but a cold snap could boost atlantic basin import requirements by between 16 million tonnes and 18 million tonnes the energy consultancy said despite rising runs east of suez indian barrels are swinging east on growing regional demand and muted chinese exports potentially slowing westbound flows into yearend it said  royal dutch shell rdsal has halved its crude processing capacity at its singapore hub and reduced fuel exports executives said on tuesday as the company transitions from fossil fuels to cut emissions and meet global lowcarbon energy needs read more  the united arab emirates has started building the first green hydrogen plant in the middle east and testing is currently under way energy minister suhail almazrouei said on tuesday read more