Discover and read the best of Twitter Threads about #ChemE
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It seems like every time we buy a new car the fuel efficiency does not significantly increase. It has been 30 years! Why can't scientists make a breakthrough?! #HeatEngines #Explained #ChemE (1/31)
Today’s passenger cars have an average gas mileage of about 31 MPG while cars built 30 years ago still get 27 MPG.
Yup this is only a 15% increase in 30 years. But why? (2/31)
Yup this is only a 15% increase in 30 years. But why? (2/31)
In this thread we will explain why engines have struggled to advance in their efficiency using the Second Law of Thermodynamics. (3/31) 
