Transportation and Fuels: Ethanol Boosts Gas Engines
2007
Ethanol Boosts Gas Engines
publication
Evidence: moderate
Author Information
Author(s): David C. Holzman
Primary Institution: Massachusetts Institute of Technology
Hypothesis
Can modifying gasoline engines with ethanol improve efficiency and reduce emissions?
Conclusion
The modified gasoline engine using ethanol can achieve a 25% increase in efficiency and lower greenhouse gas emissions.
Supporting Evidence
- The modified engine can achieve a 25% increase in efficiency.
- Using ethanol helps cool the engine and prevents knock.
- The EBS engine is simpler and cheaper than full hybrid systems.
Takeaway
Scientists found a way to make gas engines work better by using ethanol, which helps them use less fuel and create less pollution.
Methodology
The researchers modified gasoline engines to increase compression and added ethanol for cooling.
Limitations
The technology may not be as efficient as the best hybrid systems and faces challenges under real-world conditions.
Want to read the original?
Access the complete publication on the publisher's website