Item of General Interest
April 14. I am back at home, after four weeks in China. I am even mostly over jet lag. I had a very interesting time there, thanks to Prof. Feng, his students, and his many friends.
Tag Archives: crude oil
Our economy runs on oil. Most of the tractors used for growing food run on oil. Nearly all of today’s cars and trucks run on oil. It is popular to talk about changing to some other fuel, but the practicalities … Continue reading