This edited book summarizes the efforts made to develop sustainable bioenergy production through different generations. The topics included in the book cover information about different bioenergy crops, their classification and use as biofuel, agronomic practices to improve biomass yield, classic breeding techniques, genetic diversity, current status and future perspective of bioenergy crops in the omics era. It also discusses application of modern biotechnological and molecular biotechnological techniques for the improvement of bioenergy crops this having enhanced biomass and plant based products.  The book explores growing biofuel crops and their impact on environment, bioethics and biosafety issues related to the modern approaches. Another important aspect is the incorporation of nanotechnology for bioenergy crops and biofuel production. All book chapters are contributed renowned researchers in their respective field. This is a unique book covering the bioeneragy crops in the modern omics era. The book is useful for the researchers and post-graduate students to guide them in the field of bioenergy crops.