gasoline
lborkowski | August 26, 2011Deborah Blum at Speakeasy Science has put up a terrific two-part post about the early history of leaded gasoline, which bears much of the blame for lead poisoning in workers and the general population. (Paint containing lead is the other main culprit.) Blum's "At the Door of the Loony Gas Building" and "Of Dead Bodies and Dirty Streets" involve plot developments that might sound familiar: product kills people, industry insists product is safe, and back-and-forth about product's safety continues for decades before the product is finally altered, eliminated, or restricted to reduce harm to…
rallain | October 2, 2008Gas prices may be trending down, but they are still quite high. How can we save gas? One of my colleagues suggested we can save gas by getting rid of all drive throughs. This means it is my job to estimate how much could be saved.
**Starting Assumptions (estimations)**
How many drive-throughs are there in the U.S.A.? When I think of drive-throughs, I think of McDonalds. [Wikipedia](http://en.wikipedia.org/wiki/Mcdonalds) says there are 31,000 restaurants world wide. I am going to say there are around 20,000 in the U.S. that have drive-throughs. So then, how many total drive-throughs?…