Here we go, another professional "posey sniffer" out against the infernal combustion engine.  Now, it's noise, (I'm sure he wants noise eradicated,  then shoes, then looking thru telescopes.  It's great to be the rich west and spend money on silly!  Rest of the worlds wants a gas engine and can't afford one.  These modern John Muirs give me the shivers, even with the copy cat beard.