What is honda i30?

As an AI language model, I am not sure if there's such a model as the Honda i30. However, if you refer to the Honda i-DSI, please find the overview below.

The Honda i-DSI is a fuel-efficient engine technology developed by Honda. It stands for Intelligent Dual and Sequential Ignition. This technology uses two spark plugs per cylinder to improve combustion efficiency and fuel economy. The i-DSI engine is available in the Honda City and Honda Jazz models, and it delivers exceptional fuel economy and a smooth and enjoyable driving experience. The engine is also known for its low emissions, making it an environmentally friendly choice.