What are the key features to look for in a car rack that can withstand long-term use, and what innovations or technologies are being developed to enhance durability, safety, and ease of use? Are there any emerging trends or designs that prioritize versatility, allowing for seamless integration with different types of vehicles and bicycles? How do factors such as material selection, weight capacity, and adjustability impact the overall performance and lifespan of a car rack? What role do features like locking mechanisms, anti-sway systems, and integrated accessories play in ensuring the security and convenience of a car rack for long-term use? Are there any industry standards or certifications that can help cyclists evaluate the quality and reliability of a car rack, and what are the implications of these standards on the design and manufacturing process? Can a car rack be designed to accommodate the evolving needs of cyclists, such as the increasing popularity of e-bikes and gravel bikes, and what features would be essential for these types of bicycles? How can car rack manufacturers balance the need for durability and versatility with the demand for sustainable and environmentally friendly products, and what eco-friendly materials or production methods are being explored in the industry?