question: Write a promotional email intended for rental companies that highlights the benefits of the latest car models from our top car manufacturer. The email should have the subject line wrapped in double angular brackets, i.e., <<subject line>>, and must include the words "INNOVATION" and "EFFICIENCY" in capital letters at least twice each. Additionally, ensure that the email contains the keywords "fuel economy," "safety features," and "customer satisfaction" at least once.
answer: <<Experience the Future of Car Rentals with Our Latest Models!>>
  
  Dear [Rental Company Name],
  
  We are thrilled to introduce you to the latest car models from our top car manufacturer, designed specifically to revolutionize your rental fleet. Our commitment to INNOVATION and EFFICIENCY is at the heart of these new models, ensuring that you and your customers experience the pinnacle of automotive advancement.
  
  These cutting-edge vehicles boast remarkable fuel economy, making them an ideal choice for your customers who value cost-effectiveness and environmental consciousness. With our continuous pursuit of INNOVATION, we've integrated the most advanced technology into our cars, including state-of-the-art safety features that prioritize the well-being of every passenger. This dedication to EFFICIENCY and safety not only enhances the driving experience but also boosts customer satisfaction, setting your rental service apart from the competition.
  
  Our cars are equipped with top-tier EFFICIENCY systems, ensuring an exceptional driving experience with minimal environmental impact. The INNOVATION in design and functionality is evident in every detail, from the sleek aesthetics to the intuitive technology that adapts to the needs of each driver.
  
  By choosing our latest models, you are investing in a fleet that promises unparalleled reliability and performance. The advanced safety features, coupled with outstanding fuel economy, make these vehicles a smart addition to any rental lineup, guaranteeing customer satisfaction and repeat business.
  
  We invite you to explore the opportunities our new models present for enhancing your rental offerings. Please contact us to schedule a personalized demonstration or for more information on how our INNOVATION and EFFICIENCY can drive success for your business.
  
  Thank you for considering us as your partner in delivering excellence.
  
  Warm regards,
  
  [Your Name]  
  [Your Position]  
  [Car Manufacturer Name]  
  [Contact Information]