environmental engineering

To Float or Not to Float?

2018-11-05T12:10:38-08:00 October 26th, 2018|Building & Architecture, Civil Engineering, Environmental Engineering, Issue II, Mechanical Engineering, Transportation, Volume XVIII, Water|

Abstract Norway is a Northern European country made up of thousands of fjords— expanses of water often surrounded by steep cliffs. For more than a century, the country has been using a combination of road, rail, and ferry crossings to span the trail from southern to northern Norway, a trip that takes over 20 hours [...]

Engineering a More Fish-Friendly Dam

2018-11-07T16:01:57-08:00 September 1st, 2001|Energy & Sustainability, Environmental Engineering, Issue I, Volume VI|

Thousands of Americans have come to rely on dams not only as a source of inexpensive power, but also for irrigation and navigational needs. In spite of their benefits, dams have come under fire because of the role they have played in contributing to the decline of Pacific Northwest salmon populations. To avoid dam removal, [...]

Hybrid Electric Vehicles: A History of Technological Innovation

2017-10-26T18:27:42-07:00 October 1st, 2000|Energy & Sustainability, Environmental Engineering, Issue II, Lifestyle, Transportation, Volume II|

The release of the first hybrid electric vehicles in the United States marks the start of a revolution. Hybrid vehicles are electric cars that utilize small internal-combustion engines and an electric generator. The advantages of this concept are clear: increased fuel efficiency and reduced levels of pollution without the complications and maintenance requirements of a [...]