No, VTEC (Variable Valve Timing and Lift Electronic Control) is a technology developed by Honda for its engines, but it is not exclusive to Honda. While Honda popularized and extensively used VTEC in its engines, other automotive manufacturers have also developed their own versions of variable valve timing systems.
Several other manufacturers have their own variable valve timing technologies with similar goals of optimizing engine performance, fuel efficiency, and emissions. Some examples include:
- BMW: VANOS (Variable Nockenwellen Steuerung) and Valvetronic.
- Toyota/Lexus: VVT-i (Variable Valve Timing with intelligence) and VVTL-i (Variable Valve Timing and Lift with intelligence).
- Mitsubishi: MIVEC (Mitsubishi Innovative Valve timing Electronic Control system).
- Nissan/Infiniti: VVEL (Variable Valve Event and Lift).
- Mazda: VVT (Variable Valve Timing) and S-VT (Sequential Valve Timing).
- Subaru: AVCS (Active Valve Control System).
These are just a few examples, and various manufacturers have their own proprietary variable valve timing systems. Each system may have its own specific implementation and technology, but the goal is to optimize valve timing for improved engine performance and efficiency.
It's important to note that while these technologies share a common objective, the specific details and performance characteristics can vary between manufacturers and even between different models within a manufacturer's lineup.