Today, many lock makers copy this very efficient and successful design.

The main reasons for the high fuel economy were the overall light weight and efficient design of the bike.

A tour of the interior reveals a strong and efficient design.

Improvements were made through developing technologies and more efficient design.

The Atom was chosen for its light weight and efficient design.

Starting in 1991, the company debated how it should organize itself to make its design, development and production most efficient.

Louis appreciated its efficient design, small but deadly, like himself.

Even the most efficient design fails to capture 40 percent of the energy in the wind.

For all its speed and power, it didn't appear to be based on a very efficient design.

The third and, currently, the most efficient design is the Hall effect disc generator.