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Global daily CO<sub>2</sub> emissions from 1970 to 2024. [PDF]

open access: yesSci Data
Li T   +18 more
europepmc   +1 more source

The Economics And Importance of Speed

Journal of the Highway Division, 1968
The economics and importance of speed underlies most transportation improvements, because many of the resulting benefits are measured by the time saved. The economic value of travel time has been the subject of many studies and is basic to transport system evaluation.
exaly   +2 more sources

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