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Sustainable automotive air conditioning is the subject of a debate – also known as the Cool War – about the next-generation refrigerant in car air conditioning. An advocacy group, The Alliance for CO 2 Solutions , supports the uptake of carbon dioxide (CO 2 ) as a refrigerant in passenger cars, and the chemical industry is developing new ...
The auto industry uses over 1,000,000 metric tons (980,000 long tons; 1,100,000 short tons) of lead every year, with 90% going to conventional lead–acid vehicle batteries. While lead recycling is a well-established industry, more than 40,000 metric tons (39,000 long tons; 44,000 short tons) ends up in landfills every year.
An advantage of break/fix IT management is the initial lower cost of maintenance. [2] However, since problems are only addressed when they arise, maintenance is reactive rather than proactive . Small problems left unaddressed can balloon into major failures due to focus on cost.
Broken down by specific type of car, owned and leased: 35,437 covered hoppers; 12,272 boxcars; 18,647 open-top hoppers; 13,780 gondolas; 14,148 "other" types of cars; In addition, it owns 6,950 different pieces of maintenance of way work equipment. At the end of 2007, the average age of UP's locomotive fleet was 14.8 years, the freight car ...
An overcharge may be expressed as a mark-up on the benchmark price, or it may be divided by the observed market price. When the benchmark price is equal to the marginal cost of production, as it is in perfect competition , then ratio of the overcharge to market price is the Lerner index of market power .
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Automatic bug fixing is made according to a specification of the expected behavior which can be for instance a formal specification or a test suite. [5]A test-suite – the input/output pairs specify the functionality of the program, possibly captured in assertions can be used as a test oracle to drive the search.