Automotive Gas Engine Development

I'm seeking a skilled engineer to design and build a gas engine from scratch for automotive use. The engine should be versatile enough to power any type of vehicle, including sedans, SUVs, and sports cars.

Key requirements:
- Engine design and fabrication
- Performance optimization for various vehicle types
- Adherence to automotive industry standards and regulations
- Testing and validation of engine performance

Ideal skills and experience:
- Mechanical engineering degree
- Proven experience in gas engine development
- Strong knowledge of automotive systems and regulations
- Proficiency in CAD software and engine simulation tools

Please provide a portfolio of relevant work and a timeline for project completion.