Back in 2007, Motor Trend conducted a fairly stringent test involving three different trucks, and results showed a tonneau cover does, in fact, improve gas mileage — but with some caveats.

Shares of Mahanagar Gas Ltd. (MGL) fell on Friday, December 27, after the company raised compressed natural gas (CNG) prices by ₹1 per kg in the Mumbai Metropolitan Region, effective December 22. This ...