Definition of efficiency gain. Normally measured by looking at the relationship between cost and earnings. If cost goes down and earnings are flat, or if cost is flat but earnings go up, the company has made gains in efficiency. Print.
The average Regular gas price in Columbia, SC is $1.97, which is $0.82 lower than U.S. national average Regular gas price $2.79. The lowest Regular gas price is $1.67 of Exxon located at 941 Longtown Rd, Columbia, SC 29229. The highest Regular gas price is $2.16 of Shell located at 831 Harden St, Columbia, SC 29205.
Columbia, South Carolina South Carolina Richland County Columbia Columbia is located in the center of South Carolina at the junctions of Interstates 20, 26 and 77. It is South Carolina's most populated city, the state capital, the county seat of Richland County, the home of the University of South Carolina's main campus, and the site of the South Carolina State Fair each October. A small part of Columbia also extends into Lexington County. Here is a map of the Columbia area.