
1. Environmental ImpactA Hymotion plug-in charged from grid electricity of the average national blend results in a 70% or greater reduction in CO2 emissions compared to a traditional gas-powered vehicle. If the L5 battery is charged from electricity generated entirely by coal-fired power plants, there is still a net CO2 emissions reduction of at least 50%. As our national blend of electricity generation progresses towards greener generation sources, such as solar and wind, the environmental benefits of Hymotion plug-in hybrids will continue to grow. The L5 battery is also environmentally friendly and recyclable, containing no heavy metals or toxic chemicals. 2. Petroleum reductionHymotion plug-in hybrid vehicles reduce oil consumption by up to 70% over conventional, gas powered vehicles. Upgrading to a Hymotion plug-in hybrid will result in a significant reduction in petroleum consumption on an individual vehicle basis. With widespread adoption, Hymotion plug-in hybrids present the potential to reduce national oil consumption while using today’s existing infrastructure – the grid. The Set America Free coalition, an advocacy group focused on energy independence and GHG reduction points out that "if all cars on the road are hybrids and half are plug-in hybrid vehicles, U.S. oil imports would drop by 8 million barrels per day." 3. National SecurityWidespread adoption of Hymotion plug-in hybrid technology can help reduce our dependence on foreign oil. Hymotion plug-in hybrids enable us to reduce our consumption of foreign-sourced petroleum and allow us to rely more on electricity generated at home using our current infrastructure. Plug-in hybrid technology can also help us take advantage of off-peak electricity generation by charging vehicles overnight when electricity demand is low. Moving towards a more electric vehicle platform allows us to work towards vehicle-to-grid technologies and a more redundant and fault tolerant grid.
![]() Serious about safetyWe take safety very seriously, and have designed our system to meet strict automotive standards. Our Hymotion™ Plug-in Conversion Modules have been crash tested in accordance with National Highway Transportation and Safety Administration (NHTSA) regulations. Safety is addressed both at the individual cell level and at the system level. At the cell level, we conduct a variety of safety tests to ensure that cells made with our Nanophosphate™ technology have excellent abuse tolerance. Please visit the A123Systems' primary website for detailed safety information. At the system level, our L5 module contains a Battery Management System (BMS) that monitors the voltage of each cell in the pack as well as the temperature of the individual battery modules. This information is fed into the electronics controller which automatically terminates charge or discharge in the event that any safety limits are exceeded. Further, we incorporate crash sensors designed to disconnect the pack in the case of an accident. Our Hymotion Plug-in Conversion Modules are designed to withstand crashes (as can be seen in the videos to the right), abusive conditions, extreme temperatures, and all vehicle transport conditions. Other considerations like a driving lockout when the car is plugged in to prevent you from driving away while plugged in; as well as high voltage service disconnects are integral to overall system safety. Crash test videosSummaryA123SYSTEMS Battery manufacturingA123Systems' Hymotion Plug-in Conversion Modules are manufactured using our highly abuse tolerant Nanophosphate™ lithium ion technology. We have successfully demonstrated with test data that our technology is safe according to UL standards when overcharged, over discharged and subjected to mechanical abuse. The Hymotion module has been crash-tested and certified to meet applicable federal safety standards.
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