1. Bioasphalt is an asphalt alternative made from non-petroleum based renewable resources. 2. One depended on distilling an reactivity, while the other used a petroleum based reagent. 3. Shengli Oilfield in Shandong is an important petroleum base . 4. The main advantage of petroleum based products is the anti staining properties over cement products. 5. Pennzoil Synchromesh is one such petroleum based lubricant. 6. Mirel is marketed as an alternative to petroleum based plastics that is both sustainable and eco-friendly. 7. However, the steel belt have an advantage overall because the Steel Belt are not petroleum based material. 8. Since the oils used in cars and on train rails are petroleum based , they are not biodegradable. 9. Newly hired chemical engineers were used to research synthetic polymers ( " specifically petroleum based polymers " ). 10. EISA Title V prohibits federal agencies from procuring transportation fuels if their lifecycle emissions exceed those of petroleum based fuels.
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