Gasoline Direct Injection engine (GDI and TGDI) - what is it, what does it promise and what are its drawbacks? - paultan.org
Mazda MX-5 (ND) | Need for Speed Wiki | Fandom
Mazda Investing Big In Advanced Gasoline Tech With Skyactiv-X | Hackaday
Mazda Ushers In The World's First Commercial Compression Ignition Engine and Revolutionary Platform Innovations to Lead in Engine Technologies | Inside Mazda