err head on Nostr: npub1xxemm…4zxth I wonder what the environmental impact of going back to rubber and ...npub1xxemmfvctc02ug4ue2u8sr2z683wpprh3ntl5r5gc3cd7l3f02ass4zxth (npub1xxe…zxth) I wonder what the environmental impact of going back to rubber and steel tires would be,