That is an interview with the Amsoil CEO, almost like an ad, and nearly 5 years old. They ask questions he answers, they print it.
Two more threads from bitog.
http://www.bobistheoilguy.com/...umber=1390516&page=1
http://www.bobistheoilguy.com/...umber=1400298&page=1
And one more:
http://www.bobistheoilguy.com/...1843503Post1843503