Marijuana withdrawal can be more intense than people sometimes realize. While heavy, chronic users may begin to exhibit signs of depression, many users experience insomnia, anxiousness, and irritability.
A New Era. Although diesel locomotives first came to American railroads in the 1920s, their use was confined to switch engines, and later to passenger train locomotives. It wasn't until 1940 that the Electro Motive Division of General Motors (EMD) demonstrated that diesels could practically replace steam locomotives in heavy-duty service.
The Joint General Electric/Alco Gas Turbine Design. Diesel-electric locomotives have been around in one shape or form since 1918 when the American Locomotive Company (Alco) joined with General Electric and Ingersoll-Rand to produce a motor car design for the Jay Street Connecting Railroad, #4.