Heroes Back to Earth
Re TIME's story on green heroes [Oct. 5]: You needn't go to Japan to find people using biofuel. My son has been collecting oil from local restaurants and converting it to diesel fuel for his truck for years. The vehicle runs well, the process is relatively simple, and it costs him next to nothing.
Shrewsbury, N.J., U.S.
I read with interest Mike Pandey's claim that "I grew up right next to the Nairobi National Park, where elephants would raid my mother's kitchen garden...