The word "petro" typically refers to a prefix or term associated with petroleum, which is a fossil fuel found underground that can be used to produce different products like gasoline, diesel, and plastics. Full definition
By specially sourcing these diapers this way, Earth's Best has actually worked to reduce the amount of petro chemicals in the air and ground. (earlymomentsmatter.org)
Maduro explained that he is going to to charge in petro for all the fuel sold at the border between Venezuela and Colombia. (coinstaker.com)
Dawit L. Petros exhibition at Santa Barbara Contemporary Arts Forum reviewed by Josef Woodard in the Santa Barbara News - Press. (alexandergray.com)