I pulled into a Mobil station a couple weeks ago to fill up the 300TD. I was surprised and a little confuse by the yellow-handled diesel pump and a "contains ethanol" sticker directly above the diesel pump.

Long story short, I went elsewhere and found a good ol fashion green diesel pump.

What gives? Is this something I should avoid down the road? The station in question isn't a normal stop for me; but they did have ULSD/#2 pumps previously.

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1982 240 D, 308,000 - 321,127 miles (sold)
1982 300 TD,166,500 - 226,000 miles
1998 E 320, 120,000 - 144,000 miles
2005 C 230 K, 26,000 - 77,000 miles (sold)