1.   Any future fleet changes are likely to reflect the importance of improved productivity, noise reduction and fuel economy.

2.   Ford Motor Co. and Chrysler Corp. are displaying all-aluminum cars -- an old idea -- aimed at improving fuel economy.

3.   Greater engine efficiency has led to improved fuel economy.

4.   They called for high power and torque, low smoke and exhaust emission levels, quiet, and good fuel economy.

5.   ...improvements in the fuel economy of cars.

6.   To improve fuel economy on short journeys and minimise the level of exhaust emissions, close attention has been paid to rapid engine warm-up.

7.   Greater guidance will be given to motorists about fuel economy, speed limits enforced more widely and the car MOT extended to improve car tuning.

8.   But in these days of fuel economy and concerns about speeding why should such a super car be developed.

9.   According to the official blurb, it means more consistent and comfortable shifting with improved performance and fuel economy.