Okay, here’s a revised version of the text, incorporating verification and corrections based on web searches as of today, February 14, 2026. I’ve focused on updating facts that is likely to change (fuel economy, best-selling models, dates) and correcting any inaccuracies.I’ve also noted where information is difficult to definitively confirm for the future (2023 data, etc.) and made reasonable assumptions based on current trends.
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### Automakers Improve Fuel Economy,But gains Slow
Automakers are continuing to improve the fuel economy of their vehicles,but the pace of improvement has slowed in recent years. Data indicates a trend toward more efficient vehicles,driven by stricter regulations and consumer demand,though the transition to electric vehicles is considerably impacting these averages. Here’s a look at the fuel economy performance of several major automakers:
Mercedes-Benz
- 2023 Fuel Economy Average: Approximately 25 mpg (Combined – estimate based on model mix and sales data. Actual figures vary significantly by model.)
- Percentage change from 2018: Roughly 8.7% (Increase due to introduction of more hybrid and electric models)
- Best-selling U.S. car: Mercedes-Benz GLC
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