Szukana fraza: [Abstract = "This article mainly reviews the effects of the mixture of biodiesel and diesel on engine combustion characteristics and exhaust emissions, including three parts\: part \(1\) summarizes and analyzes the biodiesel`s production and characteristics, part \(2\) analyzes the engine`s performance under different working conditions, and part \(3\) studies and analyzes the exhaust emission under different working conditions."]