Another theory is that the mantle flows neither in cells nor large plumes but rather as a series of channels just below the Earth's crust, which then provide basal friction to the lithosphere. This theory, called surge tectonics, became quite popular in geophysics and geodynamics during the 1980s and 1990s.
General Motors to discontinue Chevrolet Tavera, Sail and Enjoy in India. According to a report in ET Auto, General Motors is planning to discontinue the production and sale of three Chevrolet products, Tavera, Sail and Enjoy in order to make way for newer products that the company plans to launch in the coming months.
Like AutoGuide.com on Facebook. General Motors is issuing out a recall on 292,879 Chevrolet Cruze sedans in the U.S. over a brake assist defect that has caused 27 low-speed crashes. The recall affects 2011-2012 model year Cruze vehicles equipped with the 1.4-liter, turbo engine and six-speed automatic transmission. The American automaker didnât delve into details on what caused the defect, but did state that it had to do with the vehicleâs brake assist function. Though there has been 27 related crashes, no injuries have been reported in connection to the problem.