floofloof@lemmy.ca to News@lemmy.worldEnglish · 11 个月前Why is the US ramping up production of plutonium ‘pits’ for nuclear weapons?www.theguardian.comexternal-linkmessage-square44fedilinkarrow-up1128arrow-down17
arrow-up1121arrow-down1external-linkWhy is the US ramping up production of plutonium ‘pits’ for nuclear weapons?www.theguardian.comfloofloof@lemmy.ca to News@lemmy.worldEnglish · 11 个月前message-square44fedilink
minus-squarereddig33@lemmy.worldlinkfedilinkarrow-up2arrow-down3·edit-211 个月前Jet Some planes still use leaded fuel unfortunately.
minus-squareSheeEttin@lemmy.worldlinkfedilinkEnglisharrow-up10·edit-211 个月前Jets do not. They usually use Jet A, basically kerosene. It’s piston engines that use leaded gasoline (avgas).
minus-squarereddig33@lemmy.worldlinkfedilinkarrow-up3·11 个月前Doh! Corrected. https://www.nbcnews.com/business/business-news/leaded-gas-was-phased-out-25-years-ago-why-are-n1264970
minus-squareTWeaK@lemm.eelinkfedilinkEnglisharrow-up4·11 个月前Furthermore leaded gas is currently being phased out of general aviation also, at least in the US (others will likely follow).
JetSome planes still use leaded fuel unfortunately.Jets do not. They usually use Jet A, basically kerosene. It’s piston engines that use leaded gasoline (avgas).
Doh! Corrected.
https://www.nbcnews.com/business/business-news/leaded-gas-was-phased-out-25-years-ago-why-are-n1264970
Furthermore leaded gas is currently being phased out of general aviation also, at least in the US (others will likely follow).
Maybe if you’re posting from 1990.