TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The apparatus (A1) further comprises: an internal-combustion engine, where the internal-combustion engine is dimensioned and arranged to operate with the second gas and the first liquid fuel; a gasifier that is physically adapted to gasify a biomass and produce the first gas; a second reactor for enabling a liquid-liquid transfer of the first liquid fuel from the first liquid to a second liquid fuel, where the first liquid comprises water; and the second reactor that is fluidically coupled with the source of the first gas, where the second reactor is dimensioned and arranged to enable it to induce a plasma that includes the first gas and has a vortex shape, and a catalyst that is operatively coupled with the second reactor, where the catalyst is physically adapted to induce decomposition of tar molecules into a third gas comprising lower molecular weight hydrocarbon molecules. In the apparatus (A1): the engine is further dimensioned and arranged to operate with the second liquid fuel; and the gasifier is an updraft gasifier or a down-draft gasifier, where the gasifier is a fixed-bed gasifiers, moving-bed gasifiers, fluidized bed gasifiers, plasma gasifiers, gasifiers, entrained-flow gasifiers or rotary kiln gasifiers. The apparatus (A2) further comprises: a second reactor that is fluidically coupled with the gasifier, where the second reactor is dimensioned and arranged to induce a plasma having a vortex shape, and the plasma is suitable for decomposing at least a first portion of the first gas into a third gas comprising lower molecular weight hydrocarbons; and a catalyst bed that is fluidically coupled with the second reactor to receive the third gas and a fourth gas comprising a second portion of the first gas, where the catalyst bed includes a catalyst suitable for inducing decomposition of tar molecules into a fifth gas comprising lower molecular weight hydrocarbons, and the catalyst is shaped to define a channel suitable to convey the third gas and the fourth gas through the catalyst bed so that the third gas and fourth gas bypass the catalyst. Preferred Method: The method further comprises providing the first liquid fuel and the second gas to the engine that is operable with syngas and the first liquid fuel. The method further comprises: providing the first liquid as water; enabling a liquid-liquid transfer of the first liquid fuel from the first liquid to a second liquid fuel; and providing the second liquid fuel to an engine that is operable with syngas, the first liquid fuel, and the second liquid fuel. The method further comprises providing the first liquid as a liquid fuel containing of diesel fuel, bunker fuel, jet fuel, heating oil, and boiler fuel. The method further comprises forming a plasma comprising the first gas, where the plasma has vortex shape, and the plasma decomposes a first portion of the first gas into a third gas comprising lower molecular weight hydrocarbons; channeling the third gas through a catalyst bed comprising a catalyst suitable for inducing decomposition of tar molecules into lower molecular weight hydrocarbons; and exposing a second portion of the second gas to the catalyst, where the second portion of the second gas comprises tars.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: In the apparatus (A1), the first liquid comprises diesel fuel, bunker fuel, jet fuel, heating oil or boiler fuel. In the apparatus (A2): the petrochemical is diesel fuel, bunker fuel, jet fuel, heating oil or boiler fuel.