Electric Cars

California has officially adopted its pioneering Replacement Tire Efficiency Program, scheduled to take effect in 2029. This landmark initiative represents the first state-level regulation in the United States governing aftermarket replacement tires. The program aims to reduce carbon emissions and achieve substantial cost savings for drivers. While environmental advocates and some tire manufacturers laud the move, industry groups express concerns about potential impacts on consumer choice and the aftermarket sector. The regulations include key exemptions for high-performance, off-road, and all-season winter tires, addressing some initial criticisms.

On a recent Monday, the state of California formally announced the progression of its Replacement Tire Efficiency Program (RTEP). This program, developed by the California Energy Commission, will establish the first set of regulatory standards for replacement tires available to consumers in the aftermarket across the nation. The core objective of RTEP is to boost environmental sustainability by reducing CO2 emissions and to provide economic benefits to California residents through improved tire efficiency.

Reports leading up to the program's approval highlighted extensive public discourse and subsequent revisions. Notably, initial proposals underwent significant adjustments following a period of public comment. These revisions were crucial, creating allowances for specialized tire categories. Enthusiasts will appreciate the inclusion of exemptions for high-performance competition tires, alongside provisions for off-road tires and all-season winter performance tires. These modifications demonstrate an effort to balance environmental goals with the diverse needs of the automotive community.

The announcement of the RTEP has elicited a mixed response from various stakeholders. Prominent tire manufacturers, including Michelin and Bridgestone, voiced their support for the program. However, their endorsement came with a clear emphasis on the necessity of striking a delicate balance between enhancing safety and achieving efficiency improvements. Another major tire producer, Dunlop, issued a carefully worded statement subsequent to the program's official green light. Dunlop urged California to thoroughly assess the complete ramifications of the replacement tire requirements and advocated for continued collaboration with tire manufacturers, consumers, and the broader automotive industry. The company stressed the importance of fostering environmental progress without inadvertently imposing significant negative consequences on consumers, limiting their choices, stifling market competition, or disrupting trade practices.

In contrast, the Specialty Equipment Market Association (SEMA) maintained its opposition until the very end. SEMA articulated its concerns regarding tire affordability, the breadth of consumer options, and the potential adverse effects on small businesses operating within the aftermarket sector. Despite its continued opposition, SEMA acknowledged that the final version of the proposal represented a substantial improvement compared to its initial draft. This recognition suggests that while core disagreements persist, the state did incorporate feedback from various industry voices.

The new standards received unanimous endorsement from the CEC commissioners. Regulators project that once fully implemented, these measures will collectively save California drivers nearly $1 billion and lead to an annual reduction of 2 million metric tons in CO2 emissions. The program is structured to roll out in phases, with the initial set of regulations commencing in 2029, followed by a more stringent phase slated for 2033 and beyond. This phased approach allows for gradual adaptation by the industry and consumers.

California's new Replacement Tire Efficiency Program, set to launch in 2029, represents a groundbreaking effort to regulate aftermarket tires for improved environmental performance and consumer savings. Despite varied reactions from the automotive industry, the state has moved forward with a program that includes important exemptions for specialty tires, reflecting a balance between ambitious environmental goals and practical market considerations.

Franz von Holzhausen, Tesla's influential design chief, has chosen a unique path for his personal Model S Plaid Signature Edition, chassis 001. Instead of pursuing performance enhancements, he entrusted the vehicle to Unplugged Performance for comprehensive preservation. This decision underscores the car's status as a collector's item and a symbolic conclusion to a significant production phase for the Model S line. The focus on safeguarding its original condition, both aesthetically and structurally, rather than boosting its already impressive power, sends a clear message about the value of originality in high-performance electric vehicles.

For 18 years, Franz von Holzhausen has been instrumental in shaping Tesla's automotive designs. His latest endeavor centers on the first Model S Plaid Signature Edition, a rarity with only 250 units ever built. This exclusive model, initially offered through invitation-only emails to a select clientele at a price point starting from $159,420, signifies a pivotal moment for Tesla, effectively concluding the Model S production as it was known. Rather than pushing its performance boundaries, von Holzhausen prioritized its long-term integrity, dispatching it to Unplugged Performance's facility in Hawthorne, California, for a meticulous preservation treatment.

Unplugged Performance, renowned for its Tesla tuning expertise, undertook a different kind of project for this particular Model S Plaid. The preservation regimen involved an exhaustive decontamination of every surface, ensuring a pristine base. Following this, the vehicle received a full-body paint protection film application, subsequently layered with a ceramic coating that extended to various painted components and wheel surfaces. Additionally, the interior windows were treated with a film designed to block ultraviolet rays and reduce heat, further protecting the cabin. This extensive process was about safeguarding the car's original splendor, emphasizing durability and aesthetic longevity over outright speed enhancements.

The Signature Edition distinguishes itself from standard Tesla models through its exclusivity and unique aesthetic details. Von Holzhausen's specific vehicle features a Garnet Red finish, a bespoke color that pays homage to the original Signature Red introduced with the Model S launch in June 2012. Complementing the exterior are gold badges and matching gold brake calipers, while the interior boasts an all-white leather upholstery and the distinctive yoke steering wheel. Mechanically, the vehicle retains its formidable tri-motor configuration, delivering 1,020 horsepower and 1,050 pound-feet of torque, enabling an astounding 0-60 mph acceleration in 1.99 seconds and a quarter-mile time of 9.23 seconds. When equipped with the Track Package, its top speed can reach 200 mph.

The introduction of the 250-unit Model S Plaid Signature series, alongside 100 Model X Plaid Signature units, culminated in a special event at the Fremont factory in May 2026. This gathering marked the end of production for both flagship nameplates, with Tesla framing it as a definitive end-of-line occasion, catering exclusively to pre-selected buyers rather than general orders. Von Holzhausen's decision to preserve his unit rather than modify it serves as a powerful statement that this generation of the Model S has reached its peak evolution, warranting its retention in its as-built state. This stance is expected to encourage collectors and owners to prioritize the preservation of these unique vehicles over performance modifications, underscoring the intrinsic value of their originality.