Engines that can operate using a mixture of two different fuels are called dual-fuel engines. Frequently, diesel and natural gas fuels are used together within dual-fuel engines. Often, dual-fuel engines that mix diesel and natural gas can also operate using diesel fuel only if the natural gas is temporarily unavailable. …

Biotechnologies, including synthetic biology, are going to be foundational to the 21st century economy. Synthetic biology is already a multi-billion-dollar industry with broad range of applications in health and medical sector, energy, chemical, environmental, food and agriculture.  By the end of the decade, syn-bio products are predicted to be more …