Close to two decades ago, Toyota launched what was largely considered at the time as an geeky experiment for a hybrid model using both an internal combustion engine and an electric motor for its motivation, the Prius. The Prius was so eco-friendly that the government offered incentives to Prius owners at tax time. Open up your tax estimator as the benefits just keep coming. The Toyota Prius is currently in its third generation with Toyota actively developing its successor that will launch in 2015. While it’s too early for Toyota to tease the appearance of the next Prius, the Japanese carmaker has outlined technical details and even targets for fuel economy, with the company stating that it expects to continue its practice of reducing fuel economy by around 10 percent with each new generation of the Prius.